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发布时间: 2025-06-01 23:52:20北京青年报社官方账号
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Beyond the beaches of the world, lies the potential for oceans of energy."I'm very excited about this because it's a very renewable energy-based technology,” said Professor Bruce Logan of Penn State University.Logan and university researchers recently created a device that removes salt from seawater in a cheaper way, allowing that water to then be used to create a renewable form of hydrogen fuel.“There's a lot of interest in renewable hydrogen,” Logan said. “Most of the hydrogen made today is made from fossil fuels, and so, we're interested in making that hydrogen from water.”That involves splitting water molecules into oxygen and hydrogen. The problem? Seawater also has salt, which needs to be removed first and that’s expensive to do.However, the “seawater electrolyzer” that Logan and his team worked on takes care of that issue cheaply by using a special membrane and without requiring expensive desalination plants. The findings were recently published in the Journal of Energy and Environmental Science.“Hydrogen is a great fuel,” he said. “It's been examined as a fuel for many decades now.”About 97 percent of all the water on earth is in the ocean, which means if it could be used efficiently to make hydrogen fuel, it could be a game-changer.“As we look to de-carbonize our fossil fuel infrastructure, we also can use it primarily for heavy-duty vehicles,” Logan said. “Airbus is looking to actually make airplanes that fly on hydrogen.”For now, though, their device would need to be scaled-up to a much larger version.“There are many nations and companies and nations across the world looking to do this. One of the biggest proposed hydrogen plants is in Saudi Arabia -- billion,” Logan said. “I would hope to convince them that it might be cheaper and better to use seawater directly, you know, in a system like this.”It’s a possibility that might one day create a bridge between our energy needs on land and the power in the sea. 1962

  郑州开封眼科医院   

BUFFALO, N.Y. — “Happiness happens in the blink of an eye,” Kevin Corbett said while standing outside his Buffalo, New York, home.Corbett should know. He said his life changed for the better in an instant on Dec. 3, exactly two days before his 43rd birthday.But, before we explain why, let’s rewind.Corbett grew up an only child. 337

  郑州开封眼科医院   

BONITA (KGTV) - A Bonita man is seeking the public's help to find the people responsible for ransacking his family home last Tuesday night.Michael Currier grew up on San Miguel Road in Bonita and once you understand his family's history it's easy to see why this home means so much.A couple doors down is where his mother and uncles were raised, at grandpa's house. His mother stayed close to care for grandma who had Alzheimer's and when the house went on the market, Currier and his wife pulled together what they could to keep it in the family.They bought the home in 2013 and have been renovating. He and his wife are now taking care of his mother, who also has Alzheimer's, so they weren't home last Tuesday night.Currier came home Wednesday and found it barren. All the construction tools in each room, gone. Incredibly rare parts he was using to build specialty motorcycles, gone too. Shelves full of black bins barren, with dust outlining where they sat for years."The parts that were stolen are irreplaceable. Those motorcycles, I'll never be able to work on again," Currier said.Currier worked as a contractor to pay for nursing school, and collected tools since he was 15. While he's glad no one was hurt from the break-in, what he lost was more than items on a list."Definitely makes you feel a little uncomfortable in your own house in your own neighborhood which is frustrating especially when you grew up in this area and this has always been a home, a safe place," he said.He filed a report with the San Diego County Sheriff's Office and they are looking into the incident.In the meantime, Currier's resorted to hanging signs, with a reward for information, around the neighborhood. 1726

  

BANGOR, Me. — It’s the time of year to bundle up, pick out a tree, and make time for tradition.Despite everything this year has brought, there are moments worth celebrating, and in some places, life almost seems normal.“Everything has been canceled or changed, or you can't do this, you can't do this that, and the nice thing about our trees here is they're planted at 6 feet apart, coincidentally,” said Mac McCullen, owner of the Piper Mountain Christmas Tree Farm.The Piper Mountain Christmas Tree Farm didn’t plan for a pandemic, but they’re hoping families can find a small escape when they visit.“People could spread out, find their trees, stay safe and enjoy that kind of time together with their family, which is so important, I think, and particularly in a time like this,” McCullen said.After retiring from the Navy, McCullen and his wife took over the farm. “Our favorite part of being on the farm is, quite honestly, just being outside," he said.It’s a joy the McCullens were terrified of losing because of Covid-19.“We weren't sure that people were gonna show up. We were very pleased our first weekend to have probably better than normal weekend. And it's kind of continued to be that way. Even our weekdays, which are typically pretty slow, two or three people here and there, have been fairly steady,” said McCullen.They did everything they could to make their farm safe: putting up sneeze guards and using social distancing in their store.The couple was thankful to see the cars fill their parking lot.“This is one of the best things we come to do, to stay together,” said long-time customer Mike Cassidy.“I haven’t been to get a tree anywhere else since I’ve been born,” said Cassidy’s daughter, Mariah.These simple moments of family fun are making sure the McCullen’s legacy can live on.“It's a huge relief because not only do we have to deal with COVID, but we're a seasonal business. People don't buy Christmas trees year-round, so all of our sales happen in the month of November and December. So, if people didn't show up, oh my gosh, you know, we really would have a hard time surviving," McCullen said.It’s not just at this farm, demand for Christmas trees is skyrocketing across the country, so much so, that some farms are seeing shortages.With that jump in demand, comes a jump in price. The National Christmas Tree Association reported Americans will pay an average of 7 percent more for a tree this year than last year, and 23 percent more than they paid in 2018.But raising prices wasn’t an option at this farm.“With all the difficulties that everybody has gone through and the stress and the strain that is put on everyone, we just didn't want to add another layer to that. So, what we tried to do was stay as consistent as we could to keep our prices the same so that people could come out and know what to expect when they get here,” said McCullen.McCullen and his wife made many of the wreaths themselves. They can ship them anywhere in the country, and you can order one HERE. They also made candle holders from fresh fir trees and garland for your home.“I get a little emotional about it because it's just us. For my wife and I, we don't have children, so our workers the people that are here with us that support us are our family. That's what the emotional piece of it just being able to be, you know, in something together and to be able to create, you know, things that we know people enjoy,” said McCullen.For those close enough to visit, taking home a Piper Mountain tree is a tradition they won’t miss.“We love a real Christmas tree,” said Mariah Cassidy. “There’s nothing like it, and coming here always feels like home.”“And this year would be in memory of my mom, Gaila,” said Matthew Cassidy. “She used to love to come here, and she’s the main reason we keep coming here. We lost her about 3 years ago, and it’s the only way to keep her with us because Christmas was her favorite time of year.”And for more families than ever, this reminder of happiness, no matter how big or small, is one way to bring the joy of Christmas past into the present. 4102

  

BOSTON (AP) — Actress Lori Loughlin and her fashion designer husband, Mossimo Giannulli, are scheduled to appear in federal court in Boston next month in a college admissions bribery case.A judge on Thursday agreed to move their initial appearance to April 3 on charges that they paid 0,000 in bribes to get their daughters into the University of Southern California.Their attorney had asked the judge to delay the hearing until April 15, saying the legal team had scheduling conflicts when the pair were initially scheduled to be in court on March 29.RELATED: Former University of San Diego basketball coach Lamont Smith named in college admissions scandalLoughlin and Giannulli were among dozens of people arrested last week for allegedly participating in a nationwide college admissions cheating scheme .Fellow actress Felicity Huffman is also slated to appear in court in Boston on April 3.Neither Loughlin nor Huffman have commented on the allegations. 968

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