TED演讲：拥有大脑的真正原因(11)

But we've got a problem. Tasks are symbolic -- I want to drink, I want to dance -- but the movement system has to contract 600 muscles in a particular sequence. 但在这里出现问题了。动作任务是符号性质的--我要喝水，我要跳舞

英文杂志-Physics

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

SSS 2011-09-27

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

VOA慢速英语2017 三位化学家获得诺贝尔化学奖

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

摩羯夫为保守律人不善交流

他很少主动让别人了解他，这当然跟他保守的个性有关，开朗天真的女孩可能会让他比较容易打开心门，如果你真的了解他，他会很安慰。给他适时的鼓励和赞美会让他信心大增。不过如果你

分手的时候房子也能拆分了

As the old song has it, breaking up is hard to do. 正如一首老歌唱的一样，分手太难。 Not only is there the emotional angst, but in many cases one partner has to pack up and move out. 这困难之处不仅在于情感上的忧虑，在许

企业开发无人机以减少温室气体排放

Company Develops Drone to Help Reduce Greenhouse Emissions 企业开发无人机以减少温室气体排放 All pipelines, including those carrying natural gas, are prone to leaks, causing revenue losses and contributing to global warming. At present

模块化机器人逐渐成为现实

模块化机器人逐渐成为现实 For years, researchers at Carnegie Mellon University experimented with a snake-like robot that could crawl through pipes and climb up trees. 多年来，卡内基梅隆大学的研究者们一直在实验一种能爬

闭着眼睛飘单词 四级词汇32

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

TED演讲:为什么玻璃是透明的(2)

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

TED演讲:为什么油水不能混合(2)

As liquid water, these molecules are engaged in a constant and random square dance that is called the hydrogen bonding network. 作为液态水，这些分子从事着恒定而随机的被称为氢键网络的方块舞。 Entropy favors keeping the s

VOA双语新闻：1、NASA科学家试验设计新型飞机

NASA科学家试验设计新型飞机 The U.S Aeronautics and Space Administration, NASA, is commonly associated with space exploration, but aeronautics is still a big part of the agencys research. Engineers at its Aeronautics Research Center, in Ham

VOA双语新闻：1、模块化机器人越来越接近现实

模块化机器人越来越接近现实 For years, researchers at Carnegie Mellon University experimented with a snake-like robot that could crawl through pipes and climb up trees. 多年来，卡内基梅隆大学(Carnegie Mellon University)的研究人

美国科学60秒 SSS 2013-08-15

In laps,bacteria may swim freely，but out in the world，including our bodies，bacteria often exist packed together in dense communities called biofilms. and these configurations can help them cause illness.finding clues about how such bacteria gro

个性化时代还没有到来

As 2014 drew to a close, I became one of the last baby boomers to turn 50. Or possibly, I became one of the first Generation Xers to reach that milestone. Depending where you draw the line, either I am about to enjoy the fruits of half a century of i

美国航空航天局科学家测试新型飞机

美国航空航天局科学家测试新型飞机 The U.S Aeronautics and Space Administration, NASA, is commonly associated with space exploration, but aeronautics is still a big part of the agencys research. Engineers at its Aeronautics Research Cen

微电子辞典-5

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

微电子辞典-2

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

经济学人420:稀土与气候变化 陷入了危机?

Science and Technology 科技 Rare earths and climate change 稀土与气候变化 In a hole? 陷入了危机？ Demand for some rare-earth elements could rapidly outstrip supply 某些稀土元素可能很快会供不应求 MANY plans for reducing t

TED演讲:拇指游戏(2)

Now, before we get started 现在,在我们开始之前 This is great. You're excited to play. 很好。你们已经等不及了-- before we get started, can I havethe slides back up here really quick, 在我们开始之前，我在上面再放几张投