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SSS 2008-04-22

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. Ben Franklin started it and it's hotter than ever: research on lightning. For the first time, a team of European scientists have used lasers to create

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(四)月
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