阳极极化

SSS 2009-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(188) / 评论(0)

Scientific American(四)月

SSS 2011-09-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(184) / 评论(0)

Scientific American(九)月

科学家发现宇宙膨胀的证据

科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u

发表于:2019-02-03 / 阅读(134) / 评论(0)

英语新闻

中国大城市的生存压力知几何？

The biggest cities in China are pressure cookers for youth starting out on their careers. 对于那些打算在自己职业生涯大展拳脚的年轻人而言，中国一线城市就好比是高压锅。 Here are some tips on what to expect if you

发表于:2019-02-09 / 阅读(135) / 评论(0)

实用英语

英语听力文摘 English Digest 368、屎壳郎的“导航仪”

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(138) / 评论(0)

英语听力文摘 English Digest

听电影学英语-生活大爆炸第一季 9．The Cooper-Hofstadter Polarization(Cooper-Hofstadter 极化): 物理发表会事件

[00:02.48]Ok... 好了 [00:03.96]The X10's are online 这台X10已经连上网了 [00:06.44]Gentlemen, I am now about to send a signal from this laptop through our local ISP 先生们接下来我要从这台笔记本发出信号通过本地ISP [00:

发表于:2019-03-16 / 阅读(381) / 评论(0)

听电影学英语-生活大爆炸

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