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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

MARY LOUISE KELLY, HOST: Scientists announced today that for the first time, they have been able to pinpoint the source of a particle called a high-energy neutrino. It was detected by an observatory at the South Pole. And as NPR science correspondent

发表于:2019-01-08 / 阅读(31) / 评论(0) 分类 2018年NPR美国国家公共电台7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

Fermilab Scientists Testing Faster-Than-Light Neutrino Claims Scientists at the CERN physics laboratory in Geneva, Switzerland, claimed recently to have clocked a subatomic particle, known as a neutrino, traveling faster than the speed of light. If t

发表于:2019-02-12 / 阅读(231) / 评论(0) 分类 VOA标准英语2011年(十月)
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