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Smartphones' battery down to 10 percent. Time to turn down the brightness on the screen. Right? It's a classic strategy to squeeze more juice from the battery and it works. But that trick might be less effective than you think, cause it turns out nea
2015年Scientific American(六)月
This Cell Phone Needs No Battery 不用电池的新型手机？ A dying battery is a huge annoyance for cell phone users. But for engineers? It's inspiration. Can we design a smartphone which can make a phone call and have a conversation without the
2017年科学美国人(七)月
Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours
VOA标准英语2013年(七月)
This is the VOA Special English Education Report. Last month, students from one hundred three universities in eighty-eight countries took part in an international computer programming contest. The Battle of the Brains took place in Harbin, China. Thr
英语杂谈
BUENOS AIRES, Jan. 29 (Xinhua) -- The President of the Argentinean Football Association (AFA), Julio Grondona, Tuesday announced he will leave the post in 2015, which he has occupied since 1979. I have to finish my term by 2015. The experience is tel
英语新闻
Electronic Dreams: How 1980s Britain Learned to Love the Computer By Tom Lean Bloomsbury/Sigma ￡16.99 《电子梦：20世纪80年代英国人如何迷上计算机》(Electronic Dreams: How 1980s Britain Learned to Love the Computer)，汤姆?利恩
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