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

VOA常速英语2015--模块化机器人即将走进现实

Modular Robot Getting Closer to Reality 模块化机器人即将走进现实 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

VOA常速英语2015--新型机器人可独立繁育后代

新型机器人可独立繁育后代 It's a robotic version of nature's survival of the fittest. The mother robot analyzes the performance of each of the children it creates, and incorporates preferential traits into the next generation. 这是机器人

美国科学60秒 SSS 2013-08-16

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

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

VOA常速英语2016--公司研发无人机帮助减少温室气体排放

公司研发无人机帮助减少温室气体排放 More than a million miles of pipelines carry natural gas from hundreds of thousands of wells to millions of consumers in the U.S. Its main component, methane, is also a greenhouse gas, much more pot

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

“母亲”机器人建造自己的“孩子”

Mother Robot Builds Own Children 母亲机器人建造自己的孩子 WASHINGTON What parent doesn't want to mold their child to be better - faster, smarter, more capable? Even though human parents cant do that, a robot that builds its own children c

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

VOA常速英语2007年-US Tennis Players End 12-Year Davis Cup Drought

By Steve Schy Portland, Oregon 03 December 2007 The United States has ended its 12-year Davis Cup tennis title drought by defeating Russia 4-1 in the final in Portland, Oregon. But as VOA's Steve Schy reports, some fans wondered why talented American

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

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

学个词 Learn a Word-VOA英语教学 2244-retention

今天我们要学的词是 retention. Retention 名词，意思是保留。电信公司沃达非宣布新政策，给产妇16周带薪产假，恢复工作后每周只需上30个小时的班。Vodafone says talent retention is one of the goals for d