An aluminum alloy is made when various elements are mixed with pure aluminum in order to enhance its properties, primarily to increase its strength. Iron, silicon, copper, magnesium, manganese and zinc make up as much as 15 percent of the alloy by weight.
19/10/2015· A magnesium-based alloy with large lithium content demonstrates high specific strength in coination with corrosion resistance, associated with the formation of a lithium carbonate surface film
Recently published articles from Journal of Magnesium and Alloys. Guide for Authors Submit Your Paper Enter your login details for Journal of Magnesium and Alloys below. If you do not already have an account you will need to register here.
Samsonite Same Manufacturer - Aluminium Magnesium Alloy We want you to be 100% satisfied with the products you buy from us. So if you change your mind, don''t worry about it! You may return it to us within 30 days of the date you received the item, no
Magnesium lithium alloy (Mg—Li alloy) is the lightest among the commonly used magnesium alloys. For example, LZ91 (Mg-9% Li-1% Zn) has a specific gravity only about 1.5, which is much lower than 1.81, the specific gravity of the magnesium alloy AZ91 …
Magnesium Alloy Sheet, You can Buy good quality Magnesium Alloy Sheet , we are Magnesium Alloy Sheet distributor & Magnesium Alloy Sheet manufacturer from China market. Small Size Portable Magnesium Alloy Sheet For Mobile Accessories Heat-Proof
17/11/2011· Typically, in dissimilar friction stir welding between 5052 aluminium alloy and AZ31 magnesium alloy, it is reported that the hardness in the SZ is twice higher than that of the base metals. The Vickers microhardness test was carried out along the dashed lines marked in Fig. 29a, which were 1.5 mm (top), 3 mm (middle) and 4.5 mm (bottom) to the upper surface, and the results are …
Although this magnesium-scandium alloy is limited to low-temperature appliions, development of a new lightweight class of SMAs could be on the horizon. Science , this issue p.  Shape-memory alloys (SMAs), which display shape recovery upon heating, as well as superelasticity, offer many technological advantages in various appliions.
Magnesium (Mg) 5xxx - The addition of magnesium to aluminum increases strength through solid solution strengthening and improves their strain hardening ability. These alloys are the highest strength nonheat-treatable aluminum alloys and are, therefore, used extensively for structural appliions.
Magontec recycles material from all over China at its facility in Shanxi Province. This is a coined Primary Magnesium Alloy and Mg alloy recycling facility. The Shanxi facility is leased on a long term basis from a local business and uses off-gas from a
Magnesium alloy is cheaper than the aluminium alloys used in proper quality wheels and it''s very soft. Exactly the opposite. Airplanes are mostly built of this "cheap and soft" alloy, high end bike frames. most suspension forks, aso
Many forms of Magnesium alloy AZ91 have been made, namely: AZ91A, AZ91B, AZ91C, AZ91D and AZ91E. Here, the last alphabet denotes the nuer of specific composition registered with the same major composition. The alloy AZ91D is the major form of
19/4/2016· Alloy AZ91D is about 9 percent aluminum and 1 percent zinc, and it is the most widely used available magnesium alloy. AZ91D offers excellent strength, corrosion resistance and better castability compared to other magnesium alloys.
And magnesium alloy construction helps dampen the noise and vibration associated with the use of hand-held power tools, such as electric drills and nail-shooting guns. Teaming up with Aluminum As the element of atomic nuer 12, magnesium is a Periodic Table neighbor of aluminum, atomic nuer 13.
magnesium alloy by electrodeposition, which can form MAO/ GO composite coatings. GO completely sealed the micro-cracks and micropores of the MAO ﬁlm. Consequently, the MAO/GO composite coatings showed much better corrosion resistance than the
Biodegradable magnesium alloy with eddy thermal effect for effective and accurate magnetic hyperthermia ablation of tumors Nailin Yang, Fei Gong, Liang Cheng*, Huali Lei, Wei Li, Zongbin Sun, Caifang Ni, Zhanhui Wang, and Zhuang Liu* Natl Sci Rev 2020; doi
MRI153M alloy and from aluminium A380 alloy revealed that the magnesium alloy performed similar and had the better damping properties 15. Automotive appliions require also good ductility for many components, especially energy absorbed in the case of an
Magnesium alloys are much more comparable, at a density of 1.74-2.0g/cm3 (108.62-lb/ft3). Magnesium is also much more akin to natural bone than other materials in regards to fracture toughness, elastic modulus and compressive yield strength.
1. Magnesium is one of the most abundant light metal elements on the earth. The density of magnesium is 1.74, which is only 2/3 of aluminum, 2/5 of titanium, and 1/4 of steel. 2. Magnesium has specific strength, high specific rigidity, good
The serendipitous discovery of a rust-proof ultra-light alloy in a UNSW laboratory could lead to improved fuel efficiency in transport vehicles and greatly reduce global greenhouse gas emissions. The novel high strength magnesium-lithium alloy weighs half as much as aluminium and is 30 per cent lighter than magnesium, making it an attractive candidate to replace commonly used metals in
7/2/2020· Not much info on the newer SL-1200G magnesium arms. Has anyone compared the G magnesium alloy arm to the regular aluminium 1200 (MKx, GR) arm? It''s a bit guesswork to know which cartridges it works the best with since Technics hasn''t really put the G
Magnesium and Magnesium Alloy Appliions: Magnesium is used in several high volume part manufacturing appliions, including automotive and truck components. Currently the use of magnesium alloys in aerospace is increasing, mostly driven by the increasing importance of fuel economy and the need to reduce weight.
Too much magnesium from food does not pose a health risk in healthy individuals because the kidneys eliminate excess amounts in the urine . However, high doses of magnesium from dietary supplements or mediions often result in diarrhea that can be].
magnesium welding. Washington Alloy AZ61 A and AZ92A are the most popular wires and produce superior joints with the maximum tensile strengths offered by these alloys. Available in 36- straightened and cut lengths for Gas or TIG welding and on 314 lb. and
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20/8/2015· Some of the older alloy systems, once ignited, wouldn’t go out until all the magnesium was consumed or had to be manually extinguished. The FAA was impressed enough at that point and they suggested ‘well let’s look at this on a full scale basis’ so they initiated the concept.
2/6/2016· Magnesium lithium alloy (Mg—Li alloy) is the lightest among the commonly used magnesium alloys. For example, LZ91 (Mg-9% Li-1% Zn) has a specific gravity only about 1.5, which is much lower than 1.81, the specific gravity of the magnesium alloy AZ91 (Mg-9% Al-1% Zn) currently used for commercial purpose.


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One of the all-time great tunes by jazz legend Thelonious Monk. This arrangement by Michael Sweeney is an authentic adaptation using the original key (Bb) and preserving Monk's unique rhythmic phrases. The chart opens with a trumpet/tenor duet; however there is plenty of tutti ensemble playing and flexible solo sections over blues changes. This one is a must. Enjoy great flexibility with the Easy Jazz Ensemble series! Playable with 4 saxes; 3 trumpets; 3 trombones and rhythm.
INSTRUMENTATION LIST For the purchase of the additional scores or parts as listed below please email us the Product Code above and the quantities you wish to purchase. Costs are about $7.50 per score and $4.00 per part.

domain: hobby


Developers currently have pending dues of about Rs 40,000 crore to three different authorities in the NCR since 2010, but the amount would be reduced to Rs 25,000 crore as per the new interest rate.
According to the developers, interest on the land premium is charged at 12% + 3% (compounding half-yearly), which effectively comes to 22–24%.
“Following the earlier order of the Supreme Court, many builders who were developing commercial, institutional and industrial projects were demanding similar benefits. The development projects of the area would have been impacted. After today’s order, about 40,000 homebuyers will be able to get the flat registered,” Noida authority said in a statement.
Many developers were not paying the dues, hoping that authorities would reduce the interest.
"The Supreme Court has now passed the decision back to the state, which eventually means that homebuyers will continue to suffer," said Amit Gupta, the lead petitioner in the Amrapali case.
Developers said they are yet to receive the order, but if authorities start asking for payment at a higher interest rate, the sector will be adversely impacted.
"The compounding interest will not help homebuyers and will lead to the delay of the projects. The high interest rate charged by the authorities was always a deterrent, and the sector was hoping for a positive outcome from the Supreme Court," said Manoj Gaur, president, CREDAI-NCR, and CMD, Gaurs Group.
The move would fast track the delivery of flats to lakhs of homebuyers in the state, as authorities were not giving occupancy certificates until the dues were cleared.
"The move has taken the situation back to where it was before the pandemic. The developers will not be able to bear high interest rates on dues, and the project will go into insolvency, impacting both homebuyers and authorities," said Amit Modi, Director of County Group.
According to the Confederation of Real Estate Developers’ Associations of India (CREDAI) 190,000 units worth Rs 1 lakh crore are stuck in Noida, Greater Noida and Ghaziabad. In Greater Noida alone, at least 36 real estate projects are facing insolvency proceedings.
This has impacted 50,000 home buyers.
"The order has brought clarity, and the state government should now come with a clear guideline on the authority's dues," said Migsun’s managing director Yash Miglani.


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WORLD NEWS SUPERFAST
INDIA NEWS – According to the information received by World News superfast, Prime Minister Narendra Modi will visit West Bengal and Assam on Sunday. This is the second time in the last 16 days that they will visit both states. Earlier, he visited both the states on January 23, the birth anniversary of Netaji Subhash Chandra Bose.
According to information received by World News superfast, during this time PM Modi will dedicate many projects to the country. He will lay the foundation of major infrastructure projects in West Bengal. In addition, Modi will launch the ‘Asom Mala’ (highway project) program in Assam and will also lay the foundation stone of two hospitals.
Prime Minister’s Today Program
• PM will start ‘Asom Mala’ program at a program in Dhekiajuli in Sonitpur district at 11:45 am.
• To lay the foundation stone of medical colleges and hospitals in Bishwanath and Charaidev.
• Modi will launch infrastructure projects at Haldia in Bengal at 4:50 pm.
• Modi will dedicate Bharat Petroleum Corporation Limited’s LPG import terminal to the nation in Haldia itself.
• They will also dedicate the Dobhi-Durgapur Natural Gas Pipeline section under the Energy Ganga Project to the country.
• After this, the foundation stone of Haldia Refinery’s second catalytic-isodexing unit will be laid.
• A fourlane ROB-cum-flyover will also be inaugurated on NH-41 at Ranichak, Haldia.
1100 crore gift to Assam
• Medical colleges and hospitals are being built in Bishwanath and Charaidev in Assam. The total estimated cost of this project is said to be more than Rs 1100 crores.
37 hundred crore project inaugurated in Bengal
• LPG import terminal in Haldia, which Modi is about to launch, has cost about 1100 crores. Its capacity is around 1 million metric tons per year. This will meet the growing demand for LPG from West Bengal, North Eastern India and East India.
• An investment of about Rs 2400 crore has also been made in the Dobhi-Durgapur Natural Gas Pipeline section. With this, gas will be supplied to many fertilizer plants of Bengal and Jharkhand.
• About 190 crore rupees have been spent on the flyover being built in Haldia. This will relieve traffic from Kolaghat to Haldia Dock.

domain: news


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Does Daniel Craig deserve $150M to do two more Bond movies? | The Tylt
Daniel Craig is the seventh person to play James Bond. It's inevitable that the role will be handed down, but don't hold your breath. Reports say Daniel Craig just signed a two-film deal worth $150M. Some fans have been rooting for Idris Elba to get the nod and may be disappointed he'll have to wait. They say the franchise is ready to move past Craig. Still, Craig has tons of hardcore fans and has been one of the most successful bonds to date, so it makes sense the franchise would want to keep him. What do you think?
Does Daniel Craig deserve $150M to do two more Bond movies?
Idris Elba would be sick as the next bond not gonna lie, £150 milllion is a bit excessive to have Daniel Craig play bond again— Holly (@hollllb) September 5, 2016
Daniel Craig being offered £150m to do two more movies is ridiculous. The franchise doesn't need him for continued success. MOVE ON, SONY.— Hanna Flint (@HannaFlint) September 5, 2016
I love Daniel Craig as Bond but, srs, he is kinda getting on now. He doesn't wanna do it anymore. Don't force it. Get Idris or Hardy.— qt (@quartermaaster) September 5, 2016
Not opposed to Daniel Craig returning as Bond of course, after all he is the best yet. Just needs a refresh after Spectre. Skyfall was...— Matty James (@MattyJamesLUFC) September 5, 2016

domain: entertainment


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Inspired by acts in Las Vegas and around the country, entertainers and pianists cover rock classics on twin grand pianos at Ha! Comedy Club's weekly Dueling Pianos extravaganza. From 10 p.m. to 2 a.m. on Friday and Saturday, dueling performers tickle the ivories and—when competition becomes especially fierce—each other, fielding crowd requests for pop favorites from the 1960s through to today. Musicians such as Mark Rivera, saxophonist for Billy Joel, join in the fun on stage as the kitchen and full bar keep the audience nourished with snacks and libations.
Hosting the evening's set, the historic Gramercy Theatre first opened its doors in 1937 and spent some 60 years as a movie palace and art house. Now wedged between two skyscrapers, it still retains some art-deco columns and flourishes striped into its façade. Inside, an intimate main room shares space with the eclectic Samsara Lounge where persian rugs and funky wall art imbue audiences with a rock 'n' roll spirit and inspire the spontaneous formation of nomadic tribes.
Art of the Stand-Up Comic brings together a quintet of gut-busting talents who elicit laughter in one evening of tag-team hilarity. Carole Montgomery shows off the wickedly deadpan sarcasm that has won her gigs on Comedy Central, ABC, and MTV, whereas the author of The Idiot's Guide to Comedy Writing, Jim Mendrinos, tickles ribs with wry observational rants. Voice actor extraordinaire Brian Scott McFadden has lent his talents to such films as Ice Age II and Robots and interlaces high-energy monologues with hilarious impressions and characters. Also taking the stage, the youngest female comic to ever perform on Comedy Central's Live at Gotham, Liz Miele, mixes self-deprecating sarcasm with cutting insight, and Lori Sommer shows off the improvisational powers that led her to cofound the renowned Red Tie Mafia Improv Troupe.


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We fell in love with the high fantasy of Falling Kingdoms (which had an unbelievable, mouth-wide-open, epic ending!). So of course we had to catch up with out-of-this-world author Morgan Rhodes for scoop on what to expect in Rebel Spring.
As huge fangirls of everything Cassie Clare touches we were thrilled to catch up with her to talk City of Bones (the DVD drops December 3!), the next TMI movie, her new role as a screenwriter, and her new series—a collaboration with Holly Black!
Want a sneak peek at a great new read coming 12/24? Check out the first chapter of ROOMIES—the tale of two girls who are assigned to be roommates their freshman year in college by Sara Zarr and Tara Altebrando.


Maureen McCormick is best known for her role as Marcia Brady on the American sitcom, The Brady Bunch. The American actress, singer and author, played Brady in the show from 1969 to 1974. She also reprised the role in several of the numerous Brady Bunch spin-offs and films, including The Brady Kids, The Brady Bunch Hour, The Brady Brides, and A Very Brady Christmas.
What is most surprising about the star is that she doesn’t watch any of the iconic shows episodes, even today. She has stated that she hates watching herself on television. But there is also a darker story behind McCormick’s refusal to watch the show. Stick with us as we take a deep dive into the life of McCormick and find out what she’s struggled with that makes her so opposed to watching the classic show in which she is such a huge part.
Life on The Brady Bunch
The classic American sitcom, The Brady Bunch, follows the misadventures of a large family united when a widower and a widow marry. Mike Brady, played by Robert Reed, a widowed architect with three sons, Greg played by Barry Williams, Peter played by Christopher Knight, and Bobby played by Mike Lookinland, marries Carol Martin played by Florence Henderson.
Carol herself has three daughters: Marcia played by Maureen McCormick, Jan played by Eve Plumb, and Cindy played by Susan Olsen. The wife and daughters take the Brady surname. Created by Sherwood Schwartz and aired from September 26th, 1969, to March 8th, 1974, on ABC, the series is considered one of the last of the old-style family sitcoms.
The series aired for five seasons and though it was never a critical success or hit series during its original run, it has since become a popular staple in syndication, especially among children and teenage viewers.
The Brady Bunch’s success in syndication led to several television reunion films and spin-off series. In 1995, the series was adapted into a satirical comedy theatrical film titled The Brady Bunch Movie starring Christine Taylor and Shelley Long, followed by A Very Brady Sequel in 1996. A second sequel, The Brady Bunch in the White House, aired on Fox in November 2002 as a made-for-television film.
Maureen McCormick has been candid and open about her experiences playing Marcia Brady, the eldest of the three Brady girls in the classic sitcom. Admitting that she didn’t always love playing Marcia. She has related it to being kind of a roller coaster ride. At one point in time it was wonderful for the actress. But at others, it was awful to be her.
McCormick spent five years playing Marcia on the series, in a role that is often imitated and quoted by fans. In her memoir, McCormick expressed how her role on the show nearly caused her to lose her own sense of identity. McCormick joined the cast as a child, and being called Marcia by complete strangers had a profound impact on her mentally.
McCormick has publicly discussed the episode of the show called, “Her Sister’s Shadow.” In the episode, the middle Brady sister, Jan, complains bitterly about the attention her older sister, Marcia, is constantly getting. This led to the line, “Marcia, Marcia, Marcia!” which according to McCormick, has never gone away.
McCormick wrote of the now famous line, “None of us had any idea that that line would take on a life of its own. Ever since that show aired, I can legitimately say, ‘All I ever hear is Marcia, Marcia, Marcia!’ I’m serious. People in airports have passed me and said, ‘Hi Marcia, Marcia, Marcia. Waitresses have asked, ‘What can I get you, Marcia, Marcia, Marcia?’”
Losing a friend
Maureen McCormick has also opened up about an incident that caused her to lose her friendship with another castmate. Susan Olsen, the actress who played Cindy Brady was still a close friend with McCormick after their days on The Brady Bunch set.
McCormick spoke out about her regrets with something she did to Olsen. The incident she so regrets was an unsuspecting trip to the mall. McCormick, Olsen and a friend were browsing when they decided to shoplift. McCormick admits that it was simply for kicks. She discreetly placed a t-shirt in her purse and continued to shop as if everything was normal. The three of them then left the store.
As they left, the newly introduced electronic sensors set off the security alarm. McCormick, fueled with adrenaline, didn’t wait for her friends and took off as fast as she could. She hid in her car and waited for several hours. She was unaware that at the same time, Olsen and her friend were being dealt with by the police.
Eventually, McCormick returned home to find Olsen’s parents had already called her parents to express their outrage against McCormick’s actions. Especially considering that she was the supposed friend of their daughter. But McCormick simply denied everything.
It cost McCormick her friendship with Olsen. While the two of them didn’t see each other again, McCormick had openly regretted the entire incident and wished she had the chance to apologize to her former cast-mate and friend.
In the decade or so since McCormick published her book, the two old friends were able to reconcile. Some time around 2000, McCormick returned to the Paramount Pictures lot in Hollywood, where she and Olsen reminisced about past times on the show. Olsen explained that the last time she had seen McCormick was in 1995, at her wedding.
The former child stars seemed sincerely delighted to be reunited. There was no mention of the ugly incident that had taken place so many years before.
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Addiction and mental illness
The biggest adversities for Maureen McCormick would happen outside of her time on The Brady Bunch. After the shows five year run on television, McCormick’s life was nothing like Marcia’s blissful existence. Quite the opposite, it was a nightmare for the star.
At the age of twenty, McCormick developed an overwhelming addiction to cocaine. This began a downward spiral that threatened to destroy her career. After the movie The Brady Brides, which released in 1981, McCormick hit her lowest point. She battled severe drug addiction that progressed from cocaine to quaaludes. Showing her true strength of character, she fought through it and began on her road to recovery, all while overcoming clinical depression and bulimia.
McCormick released her autobiography, Here’s The Story: Surviving Marcia Brady and Finding My True Voice, where she tells her personal story of dealing with mental health issues while moving through the fast-lane of cocaine dens and power centers in Hollywood. McCormick described discovering her family’s history of mental illness as a child and her own reluctance to tell her daughter about her own battles with drug addiction, bulimia and depression.
McCormick’s family history of mental illness would be frightening for anyone. From suicidal grandparents to a mentally ill mother, to brothers who are schizophrenic. McCormick has described the feelings of emotional pain and sadness that began early in her life, even before she discovered her family’s turbulent mental health history. Explaining that she felt alone and had a deep down sadness. She didn’t know what it was, but it was a pain that didn’t go away.
“Secrets are no good.” McCormick said, “I was brought up in a family where we had so many secrets. It felt so good to let the world know I was human and suffered from depression and I wasn’t that perfect person everyone thought I was.”
Maureen McCormick re-entered the television world in 2007 by appearing as a contestant on “Celebrity Fit Club,” which follows celebrities as they try to lose weight. McCormick won the contest, and talked about the link between her weight gain and depression. Realizing that she wanted to publicly address her mental health and addiction problems, led to her writing her autobiography. She is committed to fighting the stigma and silence that can surround mental illness.
Her autobiography went to number four on the New York Times Bestseller list. Her life-long struggle with addictions continues to this day as a wife in a marriage since 1985, and as the mother of an adult daughter. Through faith, family, friends and therapy, McCormick has found her center and the strength to face down everyday challenges. McCormick recognizes every day as a blessing and knows the greatest gift is in helping others face their everyday challenges.
Sober for over 30 years, McCormick has appeared on several other reality television series beyond Celebrity Fit Club, including CMT’s Gone Country, which led to a short-lived spin-off series led by McCormick, Outsiders Inn, and the Australian version of I’m a Celebrity… Get Me Out of Here!. She continues to star in roles for film and television, including 2017’s Rock, Paper, Scissors, alongside Michael Madsen and the TV comedy series, The Guest Book.
With everything McCormick has overcome in her life and continues to battle, it’s watching episodes of The Brady Bunch that would be too far for the star. Explaining that the show while it had such a positive and significant place in her life, also brings back some sad memories from her past.
Are you inspired by what Maureen McCormick has overcome in her life? Which other Hollywood stars have impressed you with the adversities they’ve endured and come back stronger from?
Let us know in the comments section below and don’t forget to subscribe to Facts Verse for more. Click the bell icon to stay updated on all our latest content.


Q&A: Checking in with Shelby Rogers
There really is no other tournament like the Volvo Car Open on the WTA Tour. But for Shelby Rogers, the event has an extra special feel; it’s her chance to visit home each year.
Born in Mount Pleasant and having her family living right around the corner from the Volvo Car Stadium on Daniel Island for the last decade,
Rogers, 24, sleeps in her own bed for her week of play each year at the event.
“It’s a nice week for me just to be able to see friends and family and my parents,” she said in an interview. “I only get to go home three or four times a year, if I’m lucky. It’s not very often. I’m always on the go headed to different places.”
Where she has been headed in the recent past in her career is up. Earlier this year she reached a career-high No. 48 in the world and last June she made the quarterfinals of the French Open, the first American (other than Venus and Serena Williams) to do so in more than 10 years.
“That’s the best result of my career,” she said. “It was at a Grand Slam and it was such a massive deal. It was something I expected in my career, but expecting it and living it out are two very different things. There are a lot of things that come with it, but you can’t know how you’re going to handle those things until you’re in that situation.”
Rogers faced a rocky road in 2016 after that run, but said she learned how to alter her expectations and not set goals too low or too high. She began 2017 with a shocking win in the first round of the Australian Open over world No. 4 Simona Halep. Rogers has always had the ability to produce big results, but more time on tour has allowed her to understand how to harness her talent and nerves. In 2015 she finally managed to win her first main draw match at the Volvo Car Open, a victory she said was more mental than anything else.
“When I’m playing at home, the pressure isn’t from anyone else other than myself,” Rogers explained. “I want to perform well for all of my
friends and family.”
That recent success has opened more doors: In February she made her Fed Cup debut for the U.S., an offer from captain Kathy Rinaldi that Rogers said brought tears to her eyes.
Rogers is feeling more and more settled on tour, but said there is nothing like a week at home in a career that is spent on the road.
“The draw is always very tough in Charleston, but I’m looking forward to another great event,” she said.
And she’s looking forward to some of her mom’s collared greens and mac and cheese, too. Can you blame her?


Florida Gov. Ron DeSantis held a roundtable discussion with doctors on public health on April 12, 2021. Credit: Screenshot from DeSantis’ Facebook.
Following a recent public health discussion in March that was removed last week from YouTube, Gov. Ron DeSantis and the same panel of doctors and epidemiologists on Monday slammed the video-sharing platform for its decision to censor information challenging safety measures to combat COVID-19.
“Science in particular needs to have dissenting views. I am glad we are back; we are not going to be silenced,” DeSantis said in Monday’s panel discussion in Tallahassee featuring Dr. Scott Atlas, Dr. Jay Bhattacharya and Dr. Martin Kulldorff.
The information from the panel’s previous public health roundtable violated YouTube policy, therefore, the video was removed Friday from the social media platform because the participants were spreading “COVID-19 medical misinformation,” the Tampa Bay Times reported.
“We’ve seen attempts to stifle debate, censor and take down,” DeSantis said Monday. “So, I guess it has implications of how people view medical experts. I don’t think the anti-lockdown stuff should have been censored.” The governor was referencing the March roundtable medical discussion relating to lockdowns that keep residents largely in their homes.
The March 18 roundtable discussion featured a lineup of doctors who touted the Republican governor’s handling of the pandemic, suggesting that face masks are not necessary for schoolchildren and lockdowns did more harm than good.
That said, the head of the Centers for Disease Control and Prevention on Monday said that Michigan’s situation is dire enough to shut down the state because of the rising number of infections, according to the New York Times. The CDC said that vaccines would not necessarily be the answer to slow the spread, according to the Times.
In Florida, the March 18 medical panel members with DeSantis also claimed a face mask mandate was proven ineffective in preventing COVID-19 outbreaks. Though YouTube censored that roundtable, it is still available on the Florida Channel.
DeSantis on Monday is now raising concerns about big tech companies’ ability to remove content and whether it poses a threat to freedom of speech.
But social platforms, such as YouTube, have the freedom under law to set its own policies related to managing content, said Virginia Hamrick, staff attorney at the First Amendment Foundation.
“It’s my understanding that the video was removed pursuant to YouTube’s policies,” Hamrick said in an email Monday to the Florida Phoenix.
“YouTube, as a private online platform, can moderate content on its site. Just as the government cannot prohibit speech of individuals and private companies, the government cannot compel speech. YouTube and other platforms can decide what speech appears on their websites.”
Doctors on the panel this Monday said censorship is harmful to the public and touted the DeSantis administration’s decision to buck lockdowns and keep schools and businesses open even as COVID-19 cases surged in the state.
“There’s nothing more dangerous than being able to censor what is said in a country, because then you are simply not ever going to even hear the truth,” said Dr. Scott Atlas, who previously served as an advisor under the Donald Trump administration.
“I have been personally censored on YouTube,” he added.
Dr. Jay Bhattacharya, professor of medicine at Stanford University, said, “censorship is not consistent with American norms.”
“I think censorship is an enormous mistake,” he said. He added that “good public health messaging” should center around vaccines allowing people to live their lives with “less fear.”
Meanwhile, DeSantis had come under fire when he issued an executive order in March that revoked fines against people and businesses disregarding safety measures such as wearing face coverings.
As previously reported by the Phoenix, local governments, particularly in hard-hit South Florida, initially imposed mask mandates and other restrictions on businesses to prevent COVID-19 transmission.
Florida Agriculture Commissioner Nikki Fried, Florida’s only Democratic elected official, said in a written statement:
“This governor’s unhinged, dangerous rhetoric on COVID-19 continued today, elevating fringe conspiracy theories and once again repeating the claim that children don’t need to take the simple, common-sense precaution of wearing a mask – a claim so reckless, YouTube banned it last time.
Over the course of a year in which 2 million Floridians have been sickened, 34,000 have died, and 1 million have lost jobs, this Governor has blamed everyone including the media, Hispanic farmworkers, China, and ‘Big Tech,’ while taking no responsibility for hiding data, silencing critics, and lying to Floridians.”
Our stories may be republished online or in print under Creative Commons license CC BY-NC-ND 4.0. We ask that you edit only for style or to shorten, provide proper attribution and link to our web site. Please see our republishing guidelines for use of photos and graphics.


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When I first went to Africa, I headed straight to the home of Karen Blixen, author of Out of Africa and one of the world’s better storytellers. Daisy Rothschild (seen here at the Giraffe Manor) became a neighbor, as did Beryl Markham, author of West With the Night.
My good luck was to see this terrain in the company of local experts. I searched for fossils alongside Richard and Meave Leakey On location with filmmakers Alan and Joan Root, I learned the patience required to capture wildlife behavior. One Christmas was spent with Cynthia Moss at her Amboseli Research Camp near Mt. Kilimanjaro. Elephants came into focus again with Iain and Oria Douglas-Hamilton. Kuki Gallmann who wrote I Dreamed of Africa was my guide to Laikipia. Roland Purcell and Richard Bonham welcomed me to their camps in Katavi, Ruaha and the Selous. Dr. Laurie Marker introduced me to her world of cheetahs in Namibia.
After 40 journeys to Africa, I decided to live where my heart has been for a long time. In 2014, I relinquished my New York apartment and became a digital nomad, living out of one suitcase on what began as a Senior Gap Year. The adventure began in Tuscany, took me to Paris, the Pyrenees, London, and Liverpool, but I landed in Kenya, with giraffes as my neighbors. Do I read the news or watch wildlife and birds?

domain: geography


ISS orbit adjusted prior to Soyuz spacecraft docking
MOSCOW, November 25 (RIA Novosti) - The International Space Station (ISS) was moved to a higher orbit prior to the docking of Russia's Soyuz TMA- 20 spacecraft, a Mission Control spokesman said on Thursday.
The maneuver, to raise the station 1.7 km (1 mile), was carried out using eight docking and orientation engines on the Progress M-07M (39P) cargo craft, which is docked to the Zvezda Service Module.
The Soyuz spacecraft is scheduled to blast off from the Baikonur space center in Kazakhstan on December 15.
Corrections to the space station's orbit are conducted periodically before launches of Russian cargo ships and U.S. shuttles to compensate for the Earth's gravity and ensure successful dockings.
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to ascertain why it is not making the desired progress, a statement issued by
the Ministry of Transportation on Thursday said.
the Ministry, Yetunde Sonaike.
delegation of the Technical Unit on Governance and Anti-Corruption Reforms
(TUGAR) paid him a courtesy visit in his office in Abuja.
seaports were not making progress in terms of timely clearance of goods, when
compared with those of neighbouring countries.
directly involved in the process of inspection and clearance of goods to evolve
ways of curbing corruption.
vessels to neighbouring countries due to bottlenecks at the nation’s ports.
Window’ designed to ease clearance as well as tackle corruption at the
which allows for instant screening and scanning of vessels which would
facilitate the clearance of goods in 24 hours.


Jeff Halpern remains an unsigned free agent, but the former Capitals captain isn’t ready to hang up his skates just yet.
“If something comes along, I’d definitely jump on it,” Halpern said last week in a phone conversation with CSNWashington.com.
“My price tag isn’t very high anymore. I feel like I can fit in anywhere, so I’m not saying ‘I have to play for this team or that team.’”
Halpern had five goals and 12 points in 69 games with the Phoenix Coyotes last season and is coming off his 14th NHL campaign.
He admits that not knowing if or where his pro hockey career will continue next fall makes for an “unsettling feeling,” especially with a third child due in September.
“It’s a little uneasy not knowing where I can end up and also you’d like to wrap your head around, logistically, where to go skate and where to play to get ready for the season.
“There have been a few conversations [with teams], but that’s about where it stops right now.”
Halpern, who played parts of seven seasons with the Capitals from 1999-2006 and again in 2011-12, has been down this road before.
The Potomac, MD., native did not sign with the Montreal Canadiens until the first week of September in 2010, and his one-year deal with the Coyotes was only finalized last October, once the NHL regular season was already underway.
“If you don’t sign within that first week [of free agency], there’s usually a long period of time that goes by until things start taking shape,” Halpern said. “Maybe it starts to pick up again at the end of August and heading into training camp, but I don’t expect too much to happen in the next little bit here.”
In the meantime, Halpern is continuing to train as he normally would during a typical NHL offseason, which in his case means two-to-three sessions a week with skating instructor Wendy Marco in Ashburn, Va., and regular meetings with his personal trainer in Georgetown.
“One of the knocks or misconceptions for me is that when players get older or hit their late 30s, the speed of the game passes them by,” said Halpern, 38. “But I’ve probably worked the last five summers specifically on skating and I’m probably happier with my skating and my speed now than I was as a 23-year-old. As long as I can continue to do those things, I’m happy with where my game is.”
Halpern joined the Coyotes last fall after a brief eight-game stint in Finland and quickly found a niche under head coach Dave Tippett, who trusted Halpern as the Coyotes’ fourth line center, relied upon to win key faceoffs and kill penalties.
Despite what he felt was a successful year in Phoenix, Halpern does not expect to return to the desert after the Coyotes signed former Pittsburgh Penguins forward Joe Vitale early in free agency.
“Especially at this point in my career, there are certain roles that I can fill, and one of the [similar] players who can fill that role is Joe Vitale. He’s a very good player and I think when you’re pegged in with certain roles and certain tasks and when teams fill those out, the writing is pretty much on the wall.”
MILESTONE WITHIN REACH:
Halpern said that he “would be fine” with a pro tryout agreement- essentially training camp invite with no guarantee of making the team. He also said that while he’s open to offers to play in Europe, “my heart and my intentions are still to play in North America.”
Halpern is also just 24 games shy of joining the NHL’s 1,000 games played club- a nice feather in the cap for the Princeton alum who signed with the Capitals in 1999 as an undrafted college free agent.
“I think 1000 games would be a tremendous honor in the NHL and something that when you set out [to start your career] you never imagine achieving something like that. It’s a number that I look at, I don’t think it will crush me if I never get to that point, I have a ton of great memories, but it’s definitely something that I’m aware of.
“I still love the game,” he said, “and I still enjoy playing.”


2007 Vol. 28, No. 5
Image differencing is a widely used method in moving target detection nowadays. Since most of the work only use the absolute value of difference images and the motion of the background must be compensated, the reliability and practicality of the method are not satisfactory. A new moving target detection method that uses both the positive and negative difference images is proposed in this paper. The new method detects moving target by calculating the positive and negative difference images respectively and making use of the symmetry of amplitude, shape and motion information for a moving target area in positive and negative difference images. The detection results of aircraft tailflame sequential images are given at the end of the paper. The experiment shows that the method can improve the reliability and efficiency for the moving target detection.
On the basis of the research on an ideal diffraction optical imaging system with sparse apertures, the algorithm of the imaging restoration for sparse aperture optical systems is proposed based on the improved wavelet threshold method and Wiener filtering. The improved wavelet threshold noiseblanking algorithm was designed to eliminate the imaging noise and obtain the ideal imaging result for the sparse aperture optical imaging systems in which noise jamming exists. And the imaging restoration was realized by using the Wiener filtering method. In the experiment, the optical design software ZEMAX was used to design the sparse aperture optical systems with different fill factors, and the algorithm proposed in this paper was applied to image restoration. The experimental results indicate that the algorithm is superior to the method which uses Wiener filtering only.
Proceeding from the CCD image sensing and digital image processing technologies which should be improved for the spherical-aberration automeasurement system based on Hartmann method, the target discrimination and search algorithms of the Hartmann diaphragm image in the image-reflectionarea, and the center superposition algorithm for the spot distance measurement of the Hartmann diaphragm image are proposed to solve the problems for accurately searching the two-dimensional image targets in onedimensional image memorizer and then implementing some calculations of the relative targets. The center of Hartmann diaphragm image is solved by utilizing the centers of mass of all the light spots, and then the algorithm for the center superposition of the mass center distance is confirmed by the center symmetry of the diaphragm image. The result indicates that the times of computation are cut down and the computing complexity of the algorithm is reduced.
Gray correlation based minimum error and correlation coefficient algorithms were improved to eliminate the disadvantages of low matching accuracy and slow matching velocity existing in the image matching algorithms nowadays．In the improved minimum error algorithm, a new ML distance method is adopted and a threshold dynamic adjustment method is proposed to assure the matching accuracy and to avoid the influence of local noises. As for the correlation coefficient algorithm, the expression of correlation coefficient is simplified and three-step searching way is used to reduce the compexity of the calculation and to achieve the goal of the position acquisition. The experiment shows that the improved algorithms greatly increase the matching velocity without the loss of matching accuracy，and meet the requirement of real-time image matching system.
The optical system for OPU(optical pick-up) is a uncoaxial optical system. The design position of optical element and its accurate assembly are critical for the proper operation of the system. Quarternion is a convenient mathematical method to describe the spatial lightbeam propagation and dimensional coordinate transfer. Three types of light-beam propagation in the uncoaxial optical system of OPU were characterized with quarternion, and the arithmetic method of the light propagation for the system was established. With the model, the flow chart for describing the relationship between optical component design, assembly parameter, foucsing spot and readout spot is obtained. This model can be used for analyzing optical assembly error, instructing assembly technicians, simulating the focusing of objective lens or tracking the displacment of objective lens.
A new sighting telescope with an electromechanical hand wheel and a microprocessor for accurate ranging and automatic firing table set-up is proposed. Its function, concept and target ranging method based on an electromechanical hand wheel are introduced. The ranging error and the feasibility of this method were analyzed. The method of the elevation angle calculation and the mode of the firing table set-up are also discussed. The merits of traditional optical sighting telescopes and electro-optical sighting systems with laser range finders are retained in this design scheme. It integrates ranging, resolving and set-up functions in one unit, and can adopt several kinds of resolving and set-up modes for different situations. It is small, convenient, reliable and low cost.
Zernike polynomial is an important data transmission tool for thermal/mechanical/optical integrated analysis, which can be used to implement data transmission between optical, structural and thermal analysis program effectively. However, for many optical surfaces, finite element analysis(FEA) is unable to accurately fit their surface distortion and the various aberrations generated by such distortions because they could not meet the orthogonality condition required by Zernike polynomial, such as a mirror with a central hole. The factors effecting orthogonality of Zernike polynomial were discussed. A new method for importing FEA deformation data of optical surface into optical analysis software, interferogram interpolation, was presented. This method transforms the surface distortion data into the interferogram data accurately after removing the displacement of the mirror body and directly implements them into the optical software.
Since the shape, size, material and defect of UUT in the infrared thermal wave nondestructive detection are different, three types of uniformity materials with different characteristics were selected by means of the finite element analyze software (ANSYS), and a 3-D sample model was designed to provide the detection with preview of the previous experiment result. The temperature field profiles of the model surface are drawn at different times with the preprocessor and general postprocessor of the software, and then the defect types are confirmed according to the given temperature distribution diagrams. The curves of temperature variation of different defects are drawn based on the analysis of the simulated data. The defect types are determined according to the different slope of the curves. The simulation result indicates that the finite element analyze software can be used for nondestructive evaluation, the simulation result matches with the experiment one. The method can be extended to the detection and the quantitative identification for other kinds of defects under material surfaces.
Miniature spectrometers based on linear charge couple devices (CCD) find wide applications in field detection because of their compact size and high-speed measurement. Photometric performances such as photometric reproducibility and photometric accuracy are most important specifications for a spectrometer. A self-developed miniature grating spectrometer was introduced, which incorporated the Czerny-Turner optical system and a lineaer CCD detector. The photometric performance of the prototype was tested in experiments according to the relevant standards in UV/Vis/NIR spectrophotometer. The results show that the photometric reproducibility of the spectrometer is better than ±0.04Abs, and the photometric accuracy is ±0.04Abs (0～1Abs). Moreover, the influence of stray light, photometric noise and baseline flatness of the spectrometer on photometric accuracy were analyzed with experiment results and theoretical calculation. Finally, the solutions to improve the photometric performance were discussed based on the characteristics of the miniature spectrometer.
Based on the features and specifications of the visible optics for a detection system, the selection of optical layouts, the parameter calculation of initial layout and the method of aberration balance for a long focal length, largeaperture optical zoom system are introduced. The optical system design incorporated with mechanical compensation is presented. The image quality test, scene imaging evaluation and environment test for the optical system were carried out. The test result shows that the optical system designed with this method meets the system requirement.
The design of a low-cost and middle accuracy panoramic sight is introduced. It features with one mechanical gyroscope for both stabilization and inertial navigation. The key technology of this method is to quickly converge the sensitive axes of the mechanical gyroscope to the intersection line of the meridional plane and the horizontal plane based on the principle of gyroscope compass, to isolate payload from platform disturbance with the gyroscope and two degrees of freedom gimbals, to obtain the attitude angle of the platform by electro-optical sensor on the gimbals, and to make the sight slaved to the sensitive axes of the gyroscope to realize the indirect stabilization. During the calculation, the moving command for the sight was input in the form of slave correction. The projection of platform disturbance along the stabilized coordinates was acquired by resolving the attitude matrix. The navigation function can be realized by combining the information of the platform attitude and an odometer.
Resolution and MTF are two important parameters for an image intensifier. Up to now, there is no unified understanding on the primary electronic energy distribution from generation Ⅲ image intensifier cathode, and no wellestablished theoretical model on resolution and MTF. A resolution calculation model under a specific condition was obtained by theoretical analyses and assumptions. The theoretical resolution value was obtained by substituting the measured parameters such as 1st proximity distance, 2nd proximity distance, photocathode voltage and phosphor screen voltage into the resolution calculation model. By comparing it with the measured value, it is found that the value of deviation between the calculated and the measured resolution values is less than 12.3%. The method and results are helpful for people engaged in the design of generation Ⅲ image intensifier.
In order to have great electron flux for scrubbing Φ30nm microchannel plate and complete the process in less time，the trace of electron was analyzed and the electron deflection was calculated, according to the operation principle of the axial electron gun and the theory of the function of electrostatic field on electron. Based on the calculation result, the structure of the new electron gun was designed and all the parameters of the electron gun were determined, the filament material was Φ0.05mm tungsten rhenium alloy（75%, 25%）, the filament was in “∨” type, the radius of the electron gun was Φ35mm and its height was 20mm, and the current density of electron emission reached 1.26×10-5A/cm2 while the maximum filament heating power was 12.6W. The gain of the four microchannel plates reached 500±50 after being scrubbed with the electron gun for four hours. The result indicates that the old electron gun RUSA can be replaced by the new one with better performance.
The spectral responsivity of IRFPA imaging detector is a basic physical parameter for the space infrared remote sensing. In order to use this parameter to eliminate the influence of the non-uniformity on the product quality in the fabrication process, the spectral responsivity of detectors must be calibrated and the real value should be obtained before the systems are put into use. Because of the uncertainty of the calibration data-acquisition methods and the limitation of some calibration methods, the measured value is not accurate. Thus it is very important to select a proper method and to analyze its error. In this paper some methods for calibrating the spectral responsivity of IRFPA detectors were analyzed, and the limitations of the calibration methods available were investigated. The standard substitution method for the products was selected, and the possible errors were analyzed based on the obtained data. Some important issues in the calibration process of IRFPA products were summarized. An integration time adjustment method is put forward to overcome the big error caused by the low radiation rate of calibration blackbody in some wave bands.
The end and side composite pumping is an effective way to raise the Q-switching peak power and to compress the pulse width of the Q-switched pulse in a DPL. The influence of the space distribution of the composite pumping light on the characteristics of the Q-switching pulse was analyzed in theory by a set of acoustooptic Q-switching experiment results in an end and side compositepumped DPL and the Q-switching velocity equations. The numerical calculation results are consistent with the experimental results. It is found from the results of experiment and numerical calculation that the pulse width of a composite-pumped DPL are obviously narrower than that of a side-pumped DPL, and the pulse peak power is remarkably higher than that of the side-pumped DPL. The experiment and analysis results show that the larger the occupancy of the end-pumping power is, the narrower the pulse width and the higher the pulse peak power will be, when the total pumping power and the pumping structure are fixed. Therefore, the characteristics of the Q-switching pulse can be controlled by changing the space distribution of the composite pumping light through adjusting the occupancy of the end-pumping power.
Solid immersion lens (SIL) was employed to increase the optical writing density. The position of foci and numerical aperture of the focusing system with SIL were simulated, and the threedimensional optical data storage was conducted. The simulation result shows that the depth actually focused into the media is increased and the effective numerical aperture is enlarged with the suitable off-focus distance between the foci of focusing objectives and the bottom plane of SIL. With this result, a SIL with n=1.55 was positioned under a 0.55 NA micro objective to focus a 150 fs Ti∶sapphire pulse laser at 800nm, and a 5-layer reading and writing of data were achieved with 2.5mm separation between two layers and 0.6 mm separation between two bits. Accordingly, the storage density of 1.1×1012 bit/cm3 was obtained in this way.
In laser-cluster interaction experiment, the gas target is usually generated by stuffing gas into vacuum chamber in high flow velocity via supersonic gas jet under the condition of very high backing pressure. To acquire the density distribution characteristics of the gas target in different experimental conditions, the density distribution of the gas target was measured with M-Z interferometry, and the fringes were obtained at different backing pressures, temperatures and time lapses. The total spatial distribution of gas molecular density under different experimental conditions was obtained via the interferometer pattern measured by Fourier transformation based fringe processing. The experiment shows that M-Z interferometer can effectively measure the gas target density distribution produced by the supersonic gas jet. The fringe processing method based on Fourier transformation is accurate and has real-time feature. Therefore, it provides the possibility for the real-time measurement of gas target density during targeting practice.
A new model that accounts for the effects of dispersion on stimulated Raman scattering crosstalk in wavelength division multiplexed systems with random initial binary data is proposed. The formula for calculating the middle distance step is given. According to the model, the output power from each communication channel, which passes through the wavelength division multiplexed fiber system that has dispersion “walk-off” under the random digital sequence modulation and the function of non-linear effects, was numerically calculated. The conclusion that fiber dispersion may reduce the output power fluctuation caused by SRS effect was obtained. The results show that the deviation of output power is significantly reduced in the presence of dispersion. The change of the standard deviation of system output power with the dispersion coefficient under the SRS effect is plotted. The mechanism causing the phenomenon was quantitatively analyzed. The model works with any fiber dispersion, input power and number of channels.
The cross-sensitivity is a key problem in the application of fiber grating sensors. Based on the sensing theory of fiber Bragg gratings (FBG), the physical mechanism of the cross sensitivity in simultaneous strain and temperature measurement with fiber grating is analyzed. The FBG reflected wavelength equation with the temperature-strain cross-sensitivity coefficient is established. The error analysis of the equation was made with the dual-wavelength matrix algorithm and the relative error curves of temperature and strain were obtained in the case of cross-sensitivity. The effects of the cross-sensitivity on the measurement were discussed and analyzed according to the expressions and curve diagram of the relative error. The result shows that the relative errors of temperature or strain grow significantly with the increase of temperature or strain variance during the measurement of temperature and stress, and the crosssensitivity is not negligible when the relative errors are great enough.
The strain sensor with an embedded fiber Bragg grating has a great potential as an intelligent element for monitoring large construction work. The sensing mechanism of the strain sensor with an embedded fiber Bragg grating was discussed. A strain measurement system with embedded fiber Bragg grating was designed. The structure of the grating sensing probe and its fabrication were elaborated. The cross sensitivity between strain and temperature was overcome by using the tunable F-P filter to demodulate the grating signals. The strain measurement ranging from 0 to 1500με was realized. The feasibility of the system was verified by the theoretical analysis.
The coating techniques for preparing 0.4μm～1.1μm wide spectral AR film made up of TiO2, SiO2 and MgF2 are discussed. Some factors such as the spectral transmittance range, refractive index, vaporous mode, mechanical properties, chemical stability and anti radiation were considered in the selection of filmmaterials. TiO2, SiO2 and MgF2 film-materials were adopted for the preparation of AR film operating at wide spectrum of 0.4μm～1.1μm according to the experience of multilayer design, the understanding of film-material performance and the performance of the domestic equipments. The film structure is GHMHMHMHLA. This technique is convenient and robust. The film has good spectral and mechanical performance, and it meets the operational requirement of electro-optical system.
Since the central spot diameter of exit beam generated by the spherical wave beam passing through a conical lens is small and the focal depth of the exit beam is long, it is suitable for long distance measurement and alignment in laser communication. The diffraction mode of the conical lens for the spherical wave beam with eccentricity was emphatically investigated to reduce the effects of the off-axis phenomenon on measurement, and to prevent the center-line deviation or tilt of the spherical wave beam. Based on the diffraction theory and stationary phase method, the diffraction mode of the conical lens for the spherical wave beam with eccentricity was derived, and the characteristic of its radial energy distribution was analyzed. The experiments and simulations are performed by using a conical lens whose radius is 15 mm and basic angle is 1°. The experimental results are compared with the theoretical analysis and computer simulation results. The comparison indicates that the influence of eccentricity on the diffraction mode decreases as the radius of curvature of incidental spherical wave and the propagation distance decrease. Therefore, the spherical wave with small radius of curvature instead of plane wave can extend the focal depth and reduce the influence of eccentricity on the measurement.
Phase diverse speckle (PDS) is a novel imaging technique, which can be used to overcome the image degradation caused by unknown phase aberrations, such as atmospheric turbulence. The phase distortion generated by the unknown turbulence was fitted with Zernike polynomials. The wave-front phase was derived from a pair of images. Based on the mechanism analysis of the PDS technology and taking the genetic algorithm as the iterative algorithm, the feasibility of this technology was verified by the simulation data, and some factors including the Zernike polynomials′ mode and turbulence which influences the qualification of this technology were analyzed during the simulation. The efforts provide a new way for the recovery of blurred images.
A new measurement method,carrier fringe method of Moiré interferometry，was studied. The strain was analyzed with the initial carrier fringes according to the change of the carrier fringes before and after deformation of an object. The experiment justified that the accuracy was controlled within the range of ±10με when the strain caused by the deformation of UUT was measured with the grating of 1200lp/mm combined with appropriate digital image processing method. The research indicates that the strain sensitivity is less than 1με. The average strain values of every row of U field and every column of V field are given by the method. This makes it possible to investigate the tiny strain and the tiny strain difference between the adjacent areas of a microfield. The technology can be used for further analysis of the correlative mechanics in MEMS.
The hyperacuity eye model is critical for making human eyesight like an eagle. The anterior cornea surface is described by Zernike polynomials, and the refractive index profile of the crystalline lens is described by the graded refractive index. The hyperacuity eye model is established by the optical design software Zemax, with the influence of the angle between optical axis and visual axis of human eye on imaging taken into account. To apply the rise surface of Zernike fringe to anterior cornea of the human eye model may improve the imaging quality in the direction of the visual axis (5°visual field in Zemax model) and increase the value of point spread function (PSF). The aberration of human eye can be reduced by adopting the graded refractive index of the crystalline lens, which conforms with the anatomical structure of the human eye. By analyzing the resolution limits of the human eye and the wave aberration of the eye model, it is pointed out that the modulability of the human eye model for sensing the object′s highfrequency details can reach 0.55 when the spatial frequency is 60 period/ degree.
The measurement of linear expansion coefficient of silicon was performed in high temperature with the high accuracy laser interferometric dilatometer developed by China National Institute of Metrology. The single frequency laser interferometer and symmetrical beam path are adopted in the dilatometer. The resolution of the interferometer is within 1nm. In order to make the measurement in the temperature of over 800 K, the furnace of this system was redesigned and the experiment method was modified. With the renovated system, the linear expansion coefficients of silicon were measured by stepwise heating in the temperature range of 800K～1200K. The changing process of specimens and the results of the measurement were analyzed. The linear expansion coefficient of silicon as a function of temperature was obtained. The measurement in nanometer level for the linear expansion coefficients of material was realized by laser interferometric method in 1200K.
The detection concept for large diameter beam parallelism with penta prism is introduced. The effect of penta prism angle and surface profile errors on parallelism detection was analyzed. It is concluded that the angle error has no impact on the detection results and the profile errors of the two refraction surfaces have little effect, but the profile errors of the two reflection surfaces have great influence on the detection. The methods for selecting penta prism and reducing the effect of surface profile error on detection are introduced. At the end, an example is given to illustrate the detection of the parallelism error of a single star simulator with penta prism.
The phase shifting method is widely used to eliminate the difficulty of the subwavelength displacement measurement in the speckle interference metrology, but it is very inconvenient to use. In this paper, the microdisplacement measurement method using the hybrid of gray-level and speckle interference is proposed, which is different from the previous phase shifting method. This method overcomes the difficulty of finding a complete fringe pattern when the deformation or displacement is less than half of a wavelength. The measurement principle of the method was described, and the experiment was carried out. The feasibility of this method was verified. Therefore, an easier method is given for speckle interference metrology.
The thermal energy loss of the bulk absorption laser energy meter caused by the thermal radiation, heat convection and conduction was analyzed based on the basic heat-transfer theory. The mathematical model of thermal loss for the energy meter is established according to the analytical result. The curves of the measured data were fitted with the math model and least square method. The fitted curve is quite similar to the actual curve of the temperature drop. The measurement repeatability of the energy meter is improved greatly after the measured data is compensated and corrected by the fitted curve. The work is useful for the development of bulk absorption laser energy meters.
An electro-optical equipment to detect the boresight of multi-channel optical axes in laboratory is introduced．A collimator is adopted to provide an infinite target for the test system. An off-axis parabolic total reflection optical system is used to satisfy the full-wavelength test without central obstruction. A ZnS multispectral beam-splitter is adopted to offer pointing reference for laser spot, and a Gauss ocular with temperature controlled cross hair is adopted to offer pointing reference for visible light and infrared wave band. In this way, the boresight test between optical axes for visible light, infrared and laser is realized．This test system is accurate and reliable. According to the preliminary estimate, the measured boresight accuracy between visible light and infrared reached 4.01″, visible light and laser reached 1.08″, infrared and laser reached 4.05″. This system can be used effectively in multi-channel opticalaxes boresight test.
A system that uses Moiré fringe to detect the beam wander caused by atmospheric turbulence is presented. This system features tiny length and angle detection. The tiny angle of the beam wander was detected by using the Moiré fringe and amplified in the mode of fringe. The widest fringe obtained in the atmospheric turbulence was analyzed, and the width of the fringe was compared with the resolution of sophisticated CCD. Moiré fringe subdividing technique was used when the resolution of the CCD was not sufficient. The optical signal of the fringe was converted to the electric signal by a proper circuit, and the phase variation was converted to the pulse-width variation. The high frequency pulse was inserted into the formed square wave and the highmultiplyingpower subdivision was attained by measuring the numbers of the pulse. The high resolution can be achieved by this method which can make detection precision of the system reach 0.025μrad.
Digital laser plane interferometer is used to measure the surface of optical components and the wavefront aberration of non-confocal optical system. In order to unify digital laser interferometer measurement values,and guarantee the accuracy and traceability of the measured results, the digital laser interferometer calibration standard was laid down. The constitution of the calibration specification for digital laser plane interferometer is introduced. The specifications for the instruments under test, the main calibration parameters and the calibration method are described.


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domain: finance


Around 150,000 people took to the streets of Berlin on Saturday as nationwide protests against the far-right Alternative for Germany (AfD) entered their fourth week.
People flocked to the Reichstag parliament building in Berlin, where protesters gathered under the slogan "We are the Firewall" to protest against right-wing extremism and to show support for democracy.
"Whether in Eisenach, Homburg or Berlin: in small and large cities across the country, many citizens are coming together to demonstrate against forgetting, against hatred and hate speech," Chancellor Olaf Scholz wrote on X.
He said the protests were "a strong sign in favour of democracy and our constitution".
The AfD's success has stoked concern among Germany's mainstream parties, who fear it could sweep three state elections in eastern Germany in September, even though recent polls have shown a slight decline in AfD support.
"But there's a jolt now. And the fact that the jolt is coming provides hope I believe."


While they are students today, they may well be the leaders of tomorrow.
A group of students from UBC Okanagan has just returned from the Harvard National Model United Nations conference in Boston, Mass. Model United Nations is an international, academic simulation of the United Nations, noted UBCO student Tim Krupa, who founded the club in September 2011.
Krupa, a fourth year science student, was the head delegate for the Harvard conference.
Model UN is the ultimate international relations experience for young political scholars, he added.
At each conference, student groups represent UN member states and discuss global policy to address hot-button issues currently being discussed at the United Nations.
“The goal is to educate participants about current events and diplomacy, unite like-minded students from around the world, debate practical policies, and form tangible resolutions to ameliorate our world’s greatest challenges,” he explained.
And the idea of being involved with international diplomacy is catching on at the UBCO campus.
Last year, eight UBCO students participated in the first-ever World Model UN to be held in North America. At that event, more than 2,000 students from 270 universities participated — the Okanagan contingent represented Antigua and Barbuda, a twin-island Caribbean nation.
This year, UBCO had delegations participating in three model UN conferences — in Vancouver, Boston and New York.
In total, 29 students from the Model United Nations Club at UBCO will participate in model United Nations conferences this year.
The first took place in Vancouver in January where 11 UBCO students represented India, Germany and the United Kingdom.
Krupa was the UBCO head delegate at the second conference in Boston, which took place Feb. 14 to 17.
There were more than 3,000 other students from around the world at that event and they participated in committees representing some 40 different countries.
“Our 10-member delegation represented the Republic of Cape Verde, a small African island nation,” said Krupa.
“We actively debated and drafted working papers and resolutions on topics ranging from targeted killings and enforced detainment, sexual violence in areas of armed conflict, and pre-emptive war.
“It was thrilling to compete against and cooperate with some of the best model UN teams in the world from the University of Chicago, the University of Pennsylvania, and Yale University. ”
The final model UN conference this academic year takes place in New York City in March where Oliver Eberle, third-year arts, international relations student will be head delegate.
Eight UBCO students will represent the Federal Republic of Somalia. The conference will be held at the official United Nations headquarters and Eberle is thrilled to be attending.
“We couldn’t be any more excited for the authentic United Nations experience in the real UN headquarters,” he said.


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One of the hot names on the transfer market is River Plate striker Rafael Santos Borré. Whether in South America or Europe, plenty of clubs are looking to acquire the 25-year-old striker.
The River Plate striker reportedly had a verbal agreement with Grêmio to move there once his contract expires in June. However, TNT Sports reports that Santos Borré’s family isn’t sold on the idea of trying to settle in Brazil due to the country’s social and economic crisis.
Furthermore, the Argentina media outlet adds that there’s been a late entry into the Santos Borré sweepstakes as Brighton and Hove Albion FC is looking to highjack the transfer. There are no details as to what The Seagulls offer is for the Colombia international.
Despite being the latest club to enter the race, the thought of playing in the Premier League could entice Santos Borré to go with Brighton and Hove Albion and its offer. Nonetheless, the club is fighting relegation in 16th place, six points away from the last relegation spot.
Regardless, Santos Borré isn’t jumping on Brighton and Hove Albion’s offer or any for that matter. The River Plate will wait out the process as then select the best to continue his career.


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U.S. District Judge Virginia Kendall has decided to uphold antitrust charges against the automaker in a civil lawsuit filed by Arlington Heights Motors of Chicago, Illinois, but has thrown out several other charges including fraud and racketeering claims.
The dealer group filed a lawsuit against FCA in January of this year accusing the automaker of offering money in exchange for falsely reporting vehicles as sold, which would in turn falsely inflate the automaker’s monthly sales figures. The lawsuit has sparked investigations by the U.S. Justice Department and Securities and Exchange Commission into the way FCA reports sales.
According to The Detroit News, Kendall ruled the dealer group had “pled enough factual allegations” and “presented sufficient allegations” to make the antitrust allegations plausible. In an emailed statement, the automaker said it was “pleased” the majority of claims were thrown out and that it would “remain committed to continuing a vigorous defense,” against the antitrust claims.
The Justice Department and SEC investigations into FCA’s sales reporting practices are ongoing. FCA is cooperating with investigators during their probe.

domain: economics


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Are You Prepared for Your Next Financial Milestone?
Money makes our own little worlds go around. As much as we may like to think that we’re not motivated by money, or that it isn’t at the center of everything that we do, it quite often is the case. Because you need money to live – and that in itself shows how important it is to have your financial life together as much as you possible can. No matter what ‘together’ looks like to you, it’s safe to say that you’re always going to be working towards your next financial milestone. Because just when you feel like you’re just finished paying something off or saving for something, you’re then moving onto your next thing to pay off or save for. So, it helps to be prepared. Let’s take a look exactly how you can do that for your next financial milestone.
*This is a collaborative post.
Paying Off Your Student Debts
Maybe you really want to pay off your student debts? If you do, then you’re not the only one. Because so many of us have thousands of dollars of debts when we’re just starting out in out careers. So you often want to pay them off as soon as you can, just to feel a bit more financially free as you move through life. To do this, you need a plan. You need to commit to bringing down your expenses and creating space within your income to add more towards paying off your student loans. Set yourself a timeframe too, as it’s always motivating to know that you’re getting closer to completely your goals.
Exploring The World
If the next thing on your mind is to travel, you’ll want to prepare for this financially too. As it can be a big expense. And you’re going to want to budget for this, and make sure that you’ve saved up enough too. Again, much like the debts, you’re going to want to plan ahead and set a date so that you’re ready to go for it.
Buying A House
Maybe you really want to buy your own home? Well, you’ve got a few things to get in order and not just the downpayment (which you will want to make a savings plan for). Because you’ll also want to make sure that your credit is in great shape to help you get the best rates for your mortgage here too.
Feeling Financially Secure
For a lot of us, just being able to feel financially secure is important. You want to know that if you ever have an emergency, where you could need something such as Kat Bail Bonds, you’re actually covered. Having a financially safety net is really handy for this. But again, you’ll need to put the savings in place.
- 12 Ways to Save Over $1,000 Fast!
- Should I Save Money or Pay Off Debt?
- Debt Payoff: March 2018
- Teaching Your Teen to Budget and Save
- Millennials Are Fed Up With Debt: Know How They Are Getting Rid of It
Saving For Retirement
Maybe you’re just ready to get the rest of your life figured out? If you are, then you’re not the only one that is all about that retirement plan. However, you will want to work out what kind of retirement savings plan you want to save out. Will you stick with a 401k or are you going to do something different with your investments? Speaking to your financial planner here is going to help you prepare and work out the best course of action.
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In the shimmering oasis of Las Vegas, the year 2023 signaled a zenith of human convergence, as Southern Nevada became a magnet for over 40.8 million souls seeking the city’s vibrant tableau of indulgence and entertainment. This impressive tide of visitors marked a 5.2% swell from the previous year, eclipsing post-pandemic figures and harking back to the flush days of 2019 when a staggering 42.5 million travelers graced the city.
Convention halls teemed with a 20% boost in attendance, welcoming around six million participants to their vast expositions. Las Vegas, on the wings of grand events such as the inaugural Formula One Grand Prix, surged toward record-breaking heights, surpassing all expectations.
Steve Hill, the steward of the city’s promotional efforts as CEO of the Las Vegas Convention and Visitors Authority, lauded the year as “an epic year,” attributing the torrent of visitors to the return of behemoth conventions and premiere attractions that galvanized the city’s allure.
On the financial front, Las Vegas is on the precipice of setting yet another gaming revenue pinnacle for 2023. Prior to the final tabulation of December’s figures, the state’s coffers were brimming with over $14 billion in gross gaming revenue, aiming to surpass the previous year’s haul of $14.84 billion, with Clark County leading the charge.
As for lodging, the city’s 154,662 guest chambers reached unprecedented pricing, with average rates ballooning nearly 12% to $191.29 a night – a clear testament to the city’s value in the eyes of business travelers and those affluent visitors drawn by the gravitational pull of marquee events like Formula One and NFL showdowns.
The Strip, the city’s glimmering artery, set its own record with rooms fetching an average of $204 per night. Profitability per room soared, occupancy rates flourished, and the Harry Reid International Airport became a bustling hub for travel, evidencing a resurgence in both domestic and international visits.
As we gaze upon the horizon of 2024, economic portents such as inflation and consumer debt cast shadows of uncertainty over the sunshine of today’s prosperity. The Las Vegas heartbeat may be strong with visitor-driven revenue, but the locals contend with steeper living costs and some of the nation’s highest grocery bills.
Despite such challenges, the allure of that colorful oasis in the desert remains undiminished, as evident in the ceaseless pilgrimage of Californians seeking refuge in Southern Nevada. It is a land of promise and possibility, where the thrill of gaming is matched only by the largess of its hospitality.
Amidst the excitement behind Las Vegas’ bustling life, it’s undeniable that the thrill of gaming lies at the heart of this desert Mecca. For those enchanted by the siren’s call of chips and cards yet tethered to locales distant from Nevada’s glitz, the digital realm offers an oasis all its own. This month, we at West Island Blog have curated [a selection of distinguished online casinos](https://www.westislandblog.com/online-casinos/) that mirror the electrifying atmosphere of Las Vegas. As the dice roll and the slots spin, we invite you to discover the pinnacle of online gaming, where luck and fortune are but a click away.


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Directed at governors, mayors, and legislators, the group is imploring them to to engage with local industry leaders and restaurant associations immediately to come to a swift plan to meaningfully give local restaurants the best chance for survival.
The measures they are calling for include:
Providing emergency employment benefits to all hourly and salaried workers who have been laid off or suffered or lost their pay for the length of this crisis
Waiving payroll tax
Endorsing rent and loan abatement for workers
Working with state liquor authorities to enable restaurants offering take out and delivery to also sell/deliver beer, wine and cocktails by the bottle
Waving zoning or permit restrictions to allow restaurants to temporarily use their spaces as boutique food and beverage markets, offering an alternative to overcrowded supermarkets and by extension continuing to pay their staff and support their farms and purveyors.
The petition is signed by some very big names in the US restaurant industry including: Will Guidara, David Kinch, Patrick O’Connell, Chris Shepherd, Nancy Silverton and Alice Waters.
Staff shortages are hitting the hospitality sector hard, prompting some restaurants to look outside the industry to train those without restaurant experience for life in the kitchen. Andrew Friedman finds out more.
These are tough times for chefs and restaurant professionals around the world, but there has never been a better time to seek advice and help around a number of topics affecting hospitality workers. Here's a round-up of some of the most useful resources for chefs.
Will food delivery kill the restaurant kitchen as we know it, or will in-restaurant dining return to supremacy? Perhaps there is a happy medium where restaurants can co-exist with food delivery giants? Here we take a look at what the future may hold.
Professional kitchens can be tough environments to work in at the best of times, but the Covid outbreak has exacerbated the need for better mental health support for chefs and restaurant staff. Read on to find out what's being done.

domain: food


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Don’t settle for pushing the same stroller every day - change it to suit your lifestyle with our CYBEX MIOS 3 Seat Packs. Easily taken on or off the MIOS 3 stroller frame, the seat packs are available in a range of colors and fashion collections, turning your stroller into a true statement piece.
Peek into the mysterious jungle full of hidden secrets and the beauty of nature, led by majestic sparkling beetles. Why beetles? The infinite variety of shapes in the world of beetles and their shimmering exteriors have inspired designers and style icons of many generations, from Cleopatra to Karl Lagerfeld. With Alexander McQueen, butterflies, bees, and beetles conquered the international catwalks. At Chanel’s 2019 Métier d’arts Show, the German fashion designer staged the Egyptian sun beetle in a particularly opulent manner. Every one of them is a masterful detail in the craftsmanship of our strollers. The finest, baroque-style jacquard fabric in the deepest blue color was inspired by a mystical night sky in the Amazon forest.
- Unique One-Pull Harness: Helps you secure your child in the stroller in seconds, with just one hand
- Extendable UPF 50+ Sun Canopy: Protects your child from the sun and includes a peek-a-boo window
- Comfort Inlay & Head Cushion: Provides additional padding and warmth on cooler days
- Compatible With: MIOS 3 Stroller Frames

domain: artistic


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Granville Developments and Baker Estates are proud to present this fantastic 4 bedroom detached home. Meticulously designed and carefully-constructed, it is a selection of traditionally inspired properties with all the contemporary comforts and convenience you would expect from a high-quality new home.
Located in Great Tey, one of Colchester District’s most desirable villages, the development comprises a range of two three and four bedroom homes, with layouts suited to a wide range of home buyers. Every home comes with a garage and off-road parking – and they enjoy views over the open-fields to the rear of the collection.
Parsonage Court is an elegant collection of homes boasting a combination of classic and contemporary features.
Each home will be finished to a very high specification inside and out, with careful consideration given to every property detail as well as the tasteful landscaping around the development – ensuring it complements the stunning nearby surroundings.
Granville Developments and Baker Estates are proud to present this fantastic collection of homes. Meticulously designed and carefully-constructed, it is a selection of traditionally inspired properties with all the contemporary comforts and convenience you would expect from a high-quality new home.
Located in Great Tey, one of Colchester District's most desirable villages, it comprises a range of two three and four bedroom homes, with layouts suited to a wide range of home buyers. Every home comes with a garage and off-road parking - and they enjoy views over the open-fields to the rear of the collection. Parsonage Court, Great Tey is a development of 10 open market houses and 1 bungalow (plots 5 – 15) along with 4 affordable rent and shared ownership homes (plots 1 – 4) completing the development.
Inside, you'll find all the sought-after features that Granville are well-known for providing, beautifully appointed kitchens complete with sleek work surfaces and the latest appliances, bathrooms furnished with stylish sanitary ware and modern fittings, lighting and accessories throughout.
Whether you're buying your first home, looking for the perfect base to commute from, ready to grow a young family, or thinking of downsizing to somewhere in the countryside, Parsonage Court is an ideal choice for a subtle change of pace and a more balanced lifestyle.
Granville Developments offer their purchasers the opportunity to personalise their new home including a choice of kitchen units from their standard range, tiling to the first floor bathroom and en-suite, all subject to build stage. Granville Developments offer this to all 'from plan' purchasers giving you the opportunity to create the perfect family home, finished to be as unique as you are. (All personal choices are subject to build stage and are subject to change). Please check with Baker Estates at the point of enquiry what choices are available.
Set in the peaceful village of Great Tey, Parsonage Court not only enjoys a tranquil position, it also connects you effortlessly with the local area and the rest of Essex.
The nearby communities of Coggeshall, Colchester and Halstead are all within easy reach and have everything for your immediate daily needs – plus – Parsonage Court is also perfectly positioned for the convenience of Stanway’s vibrant Tollgate shopping and business park which is just five miles away from home. It is a thriving retail and leisure development, with an ever-growing selection of pubs, quality restaurants, brand stores, gyms and services, as well as one of the largest Sainsbury’s supermarkets in the region.
Further retail and leisure opportunities are within easy reach at bustling Braintree and historic Colchester, eight and ten miles away respectively. Both towns host busy shopping centres featuring high-street chains, household brands and renowned eateries, with Braintree’s hugely popular Freeport “Village” well worth a visit.
With the A120 right on your doorstep there is excellent access to the A12, Chelmsford and London – and the the iconic beauty of the Essex and Suffolk coastlines can be reached with ease. The A120 also offers fast routes to the M11, Stansted Airport and Cambridge, bringing international travel and world famous culture travel within your reach.
Whether you are travelling for work or leisure, the mainline train station at Marks Tey offers regular services in either direction to London, Ipswich and all destinations in between. The station has been modernised in recent years, with improved passenger facilities and plenty of parking on site.
Parsonage Court is a rural retreat away from everyday life – for those who want the tranquility of the countryside alongside the convenience of well-connected modern living.
3.500 x 3.140 (11'5" x 10'3")
2.200 x 1.800 (7'2" x 5'10")
6.523 x 3.140 (21'4" x 10'3")
4.645 x 4.248 (15'2" x 13'11")
2.200 x 1.845 (7'2" x 6'0")
1.800 x 1.100 (5'10" x 3'7")
4.645 x 4.060 (15'2" x 13'3")
2.388 x 1.200 (7'10" x 3'11")
3.323 x 3.165 (10'10" x 10'4")
2.175 x 2.115 (7'1" x 6'11")
3.745 x 3.425 (12'3" x 11'2")
3.165 x 2.875 (10'4" x 9'5")
In accordance with Section 21 of the Estate Agents Act, A director or employee of Baker Estates is also a shareholder of Granville Developments. All negotiations will be carried out in accordance with section 21 of the Estate Agency Act.
Parsonage Court is the most recent development from Granville - a name synonymous with outstanding new homes throughout the area. Its is a charming, carefully-designed collection of fifteen high-quality homes set against a beautiful countryside backdrop.
2.175 x 2.115 (7'1" x 6'11")

domain: design


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The rise of algorithm trading in ETFs could act as a catalyst for fixed income ETF growth, industry experts have said.
Speaking at the Fixed Income Leaders Summit in Barcelona earlier this month, Brieuc Louchard, head of capital markets at AXA Investment Managers, said the increasing use of algos could be a positive for the market driving more volume on exchange.
“The increased use of algorithms will bring back volume on the exchange which could generate a positive leverage effect on the growth of fixed income ETFs,” Louchard said. “More volumes on exchange will lead to tighter spreads and increasing retail participation.
“Fixed income ETFs are still predominately trade request-for-quote (RFQ) versus equities but the algorithms, notably the ones based on fair value, are starting to see some positive feedback.”
Traditionally when trading equities, the growth of algorithms using a fair value model when trading ETFs is helping when there is less volume across exchanges.
RFQ platforms dominate ETF trading in Europe and have grown in popularity by enabling buyside traders to interact with multiple liquidity providers to ensure immediacy of execution and competitive pricing.
Andy Dwiar, head of UK, Benelux and Nordic ETF capital markets at Invesco, added: “Using algorithmic trading strategies for fixed income ETFs is not the same as equity ETFs due to the underlying constituents.
"This is due to the underlying bonds being over the counter in nature as well as the majority of ETFs being traded off exchange.”
Elsewhere, the panel touched on the differences when trading active fixed income ETFs versus passives.
Louchard said: “Interestingly enough it does not change anything for the trading. You need strong communication with the authorised participants and market makers, above usual when compared with index-based ETFs.”