-It's an amazing technology, and the trick to it is really creating a material that can bend light waves. In this case it's infrared waves. So we can't actually see them, that's next. -Well,let's see, I think we got a graphic here that describes how

发表于:2019-01-07 / 阅读(31) / 评论(0) 分类 万花筒2010年

Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(二)月

AS IT IS 2015-09-22 Magical Invisibility Cloak Soon to Be Real 神奇的隐身衣即将成为现实 All you Harry Potter fans out there have reason to celebrate! Scientists say they are close to inventing a real invisibility cloth. Harry Potter is a

发表于:2019-01-12 / 阅读(41) / 评论(0) 分类 2015年VOA慢速英语(九)月

New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2010年(二月)

THE ocean is dark and full of terrors, and the black dragonfish is the darkest of them all. 海洋中充满黑暗与恐惧,黑色的深海龙鱼是其中最黑暗的生物。 Its surface, new measurements reveal, is as black as the blackest materia

发表于:2019-01-26 / 阅读(43) / 评论(0) 分类 经济学人科技系列

春节的脚步近了,自拍刷屏党们的心也开始蠢蠢欲动,除了45角俯拍,还有哪些自拍技能让你完败朋友圈的其他小伙伴?新技能赶紧学起来! Selfies have emerged as a ubiquitous way to capture memorable mo

发表于:2019-02-06 / 阅读(22) / 评论(0) 分类 阅读空间