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Good afternoon. 下午好。 As you're all aware, we face difficult economic times. I come to you with a modest proposal for easing the financial burden. 众所周知，我们正处经济困难时期。今天我带来了一个小小的建议可以消除
TED演讲教育篇
Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of
2015年Scientific American(一)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
经济学人科技系列
BEIJING, July 26 (Xinhuanet) -- Hong Kong scientists announced that they had determined the idea of time travel is impossible by proving nothing can travel faster than the speed of light. The finding is contained in a study done by a research team fr
英语新闻
Remarkably, the phenomenon was proved in 1997 when physicists at the University of Geneva sent photons seven miles in opposite directions and demonstrated that interfering with one provoked an instantaneous response in the other. 令人惊叹的是，这
万物简史
Science and technology 科学技术 Cryptography 密码术 The solace of quantum 量子之慰 Eavesdropping on secret communications is about to get harder 现在想窃听秘密联系会越来越难 CRYPTOGRAPHY is an arms race between Alice and Bob,
经济学人科技系列