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郑州近视300度严重吗(郑州准分子激光切口多大) (今日更新中)

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2025-05-25 08:39:08
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  郑州近视300度严重吗   

Amazon banned police use of its face-recognition technology for a year, making it the latest tech giant to step back from law-enforcement use of systems that have faced criticism for incorrectly identifying people with darker skin.The Seattle-based company did not say why it took action now. Ongoing protests following the death of George Floyd have focused attention on racial injustice in the U.S. and how police use technology to track people. Floyd died May 25 after a white Minneapolis police officer pressed his knee into the handcuffed black man’s neck for several minutes even after Floyd stopped moving and pleading for air.Law enforcement agencies use facial recognition to identify suspects, but critics say it can be misused. A number of U.S. cities have banned its use by police and other government agencies, led by San Francisco last year. On Tuesday, IBM said it would get out of the facial recognition business, noting concerns about how the technology can be used for mass surveillance and racial profiling.It’s not clear if the ban on police use includes federal law enforcement agencies. Amazon didn’t respond to questions about its announcement.Civil rights groups and Amazon’s own employees have pushed the company to stop selling its technology, called Rekognition, to government agencies, saying that it could be used to invade privacy and target people of color.In a blog post Wednesday, Amazon said that it hoped Congress would put in place stronger regulations for facial recognition.“Amazon’s decision is an important symbolic step, but this doesn’t really change the face recognition landscape in the United States since it’s not a major player,” said Clare Garvie, a researcher at Georgetown University’s Center on Privacy and Technology. Her public records research found only two U.S. agencies using or testing Rekognition.The Orlando police department tested it, but chose not to implement it, she said. The Washington County Sheriff’s Office in Oregon has been the most public about using Rekognition, but said after Amazon’s announcement Wednesday that it was suspending its use of facial recognition indefinitely.Studies led by MIT researcher Joy Buolamwini found racial and gender disparities in facial recognition software. Those findings spurred Microsoft and IBM to improve their systems, but irked Amazon, which last year publicly attacked her research methods. A group of artificial intelligence scholars, including a winner of computer science’s top prize, last year launched a spirited defense of her work and called on Amazon to stop selling its facial recognition software to police.A study last year by a U.S. agency affirmed the concerns about the technology’s flaws. The National Institute of Standards and Technology tested leading facial recognition systems -- though not from Amazon, which didn’t submit its algorithms -- and found that they often performed unevenly based on a person’s race, gender or age.Buolamwini on Wednesday called Amazon’s announcement a “welcomed though unexpected announcement.”“Microsoft also needs to take a stand,” she wrote in an emailed statement. “More importantly our lawmakers need to step up” to rein in harmful deployments of the technologies.Microsoft has been vocal about the need to regulate facial recognition to prevent human rights abuses but hasn’t said it wouldn’t sell it to law enforcement. The company didn’t respond to a request for comment Wednesday.Amazon began attracting attention from the American Civil Liberties Union and privacy advocates after it introduced Rekognition in 2016 and began pitching it to law enforcement. But experts like Garvie say many U.S. agencies rely on facial recognition technology built by companies that are not as well known, such as Tokyo-based NEC, Chicago-based Motorola Solutions or the European companies Idemia, Gemalto and Cognitec.Amazon isn’t abandoning facial recognition altogether. The company said organizations, such as those that use Rekognition to help find children who are missing or sexually exploited, will still have access to the technology.This week’s announcements by Amazon and IBM follow a push by Democratic lawmakers to pass a sweeping police reform package in Congress that could include restrictions on the use of facial recognition, especially in police body cameras. Though not commonly used in the U.S., the possibility of cameras that could monitor crowds and identify people in real time have attracted bipartisan concern.The tech industry has fought against outright bans of facial recognition, but some companies have called for federal laws that could set guidelines for responsible use of the technology.“It is becoming clear that the absence of consistent national rules will delay getting this valuable technology into the hands of law enforcement, slowing down investigations and making communities less safe,” said Daniel Castro, vice president of the industry-backed Information Technology and Innovation Foundation, which has advocated for facial recognition providers.ángel Díaz, an attorney at New York University’s Brennan Center for Justice, said he welcomed Amazon’s moratorium but said it “should have come sooner given numerous studies showing that the technology is racially biased.”“We agree that Congress needs to act, but local communities should also be empowered to voice their concerns and decide if and how they want this technology deployed at all,” he said.____O’Brien reported from Providence, Rhode Island. 5514

  郑州近视300度严重吗   

Although colleges have put rules in place to help stop the spread of the coronavirus, some students have chosen not to follow them and have instead gathered at parties, bars and dorms.“An enormous part of going to college is the social experiences and the social awakening and the independence of moving away from home, and those two components are really inconsistent with living in quarantine,” said Ben Locke, Senior Director for Counseling and Psychological Services at Penn State University.Locke says at this stage in brain development, teenagers are more wired to take risks in lieu of social benefits. Just like adults, they're impacted by mixed messages from government officials.Younger people also don't have any prior experience with this kind of global event.“The decision that you make is not about necessarily your safety. It's about other people's safety, and the consequences of a bad decision on your part might not be known to the person next to you for ten days,” said Locke. “It's really easy to be lulled into thinking everything's fine.”Locke says most students he's talked with want to make this work and are frustrated with others putting them at risk.He thinks schools can help by encouraging everyone to work together to stay on campus and punishing students who don't follow the rules. 1321

  郑州近视300度严重吗   

Alex Trebek, the calm and witty host of "Jeopardy!" since 1984, has died at the age of 80. The game show shared the news of his passing Sunday morning. "Jeopardy! is saddened to share that Alex Trebek passed away peacefully at home early this morning, surrounded by family and friends. Thank you, Alex," they wrote on social media. 339

  

According to the National Catholic Educational Association, 50 percent more catholic schools closed around the country than in previous years, in large part to the pandemic.The NCEA says around 150 catholic schools have closed their doors for good since the start of 2020, whereas around 75 to 100 have closed each year over the course of the last decade.“Income has certainly been diminished, which not only affects the functions of our parishes but also of our Catholic schools,” said Bishop Gerald Kicanas.Kicanas is the head of the board of the NCEA and says the catholic church has seen funding diminish for years as religion’s role in society has lessened. He says the economic hardships endured by families since COVID-19 was the last straw for many parishes who have been fighting to stay afloat.“People’s own resources are more limited. Many people are out of work and this is a deep concern for the church,” said Kicanas. “In many ways, religion has been marginalized in our society, I think that’s true. On the other hand, I think a parent has a deep concern that their child grows up with strong values and an appreciation of what is morally right in living one’s life.”According to the NCEA, enrollment in Catholic schools peaked in the early 1960s at 5.2 million. For the 2019-2020 school year, national enrollment was down to 1.7 million.In some places, like Lebanon, Pennsylvania, that means institutions that have served students for more than a century have made the difficult decision to close for good. In April, Lebanon Catholic School announced it would close its doors for a final time after serving students for 161 years.In a statement, Lebanon Catholic School said, “The school had faced enrollment and financial challenges for years and its continued operation was no longer sustainable by the area parishes... Even after the valiant efforts of the school and parishes during the past year and several years previously, the current and anticipated future debt for the school’s operation would significantly jeopardize the other ministries of the parishes.”Kicanas says if Catholic schools want to survive adaptation and consolidation are necessary.“I think we have to continue to be as innovative as possible in our educational outreach and programs so we really are forming our young people to contribute in the future,” said Kicanas.The National Catholic Educational Association says some Catholic schools have started offering new curriculum, and multi-language courses as a way to increase enrollment. 2540

  

AMC Theatres will reopen around 450 of its U.S. theaters in mid-July as part of a phased reopening following what its CEO called a “painful” hiatus due to the COVID-19 pandemic.The Leawood-based chain’s first theaters will reopen on July 15, followed by its remaining 150 U.S. locations in time for the release of “Mulan” on July 24 and “Tenet” on July 31, according to a news release.AMC Theatres, already struggling before the pandemic, reported a nearly .2 billion loss for the first quarter of the year after it shuttered theaters worldwide.“After a painful almost four-month hiatus due to the coronavirus, we are delighted to announce that movies are coming back to the big screen at AMC,” AMC President and CEO Adam Aron said in the news release. “…I cannot emphasize enough how much care and attention to detail we have taken in developing AMC Safe and Clean, our absolute commitment to optimizing the health and safety of our theaters for our guests and associates.”Theaters will reopen with reduced seating capacity to encourage social distancing, along with increased cleaning, contactless ticketing, and mobile food and beverage orders.AMC said it expects different versions of seating limits in theaters to be in place until Thanksgiving, though it also acknowledged that those plans could change depending on local and regional health conditions.All theater employees will be required to wear masks. Initially, the company said masks would only be a requirement for guests in jurisdictions that require people to wear them in public.After facing scrutiny for the decision, which Aron told Variety was made because the company did "not want to be drawn into a political controversy," AMC reversed course on Friday and said masks would be a requirement for guests in all of its theaters."At AMC Theatres, we think it is absolutely crucial that we listen to our guests," a news release on Friday said. "Accordingly, and with the full support of our scientific advisors, we are reversing course and are changing our guest mask policy."Masks will be sold for at all locations for those who do not have one or forget to bring one. Those who are not willing to wear masks will not be admitted or allowed to stay, AMC said Friday.KSBH was the first to report this story. 2288

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