大学英语精读第四册 Unit Three:Why Do We Believe That the Ear

Text Can you prove that the earth is round? Go ahead and try! Will you rely on your senses or will you have to draw on the opinions of experts? WHY DO WE BELIEVE THAT THE EARTH IS ROUND? George Orwell Somewhere or other — I think it is in the prefa

文档公开 苹果自动驾驶系统曝光!

Apple has been granted a permit to test self-driving cars by the California Department of Motor Vehicles but the company has never said anything about its plan. 苹果公司已经获得了加利福尼亚州车辆管理局允许其进行自动驾驶汽车

当心您的爱车成为细菌的温床

Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's

The New Age of Nuclear Power

The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei

CNN 2010-10-03

Declassify US government documents and witness testimony from former or retired US military personnel confirm beyong any doubt the reality of ongoing UFO incursions at nuclear weapon sites. When I say UFO, the witnesses have described this craft as d

SSS 2009-01-14

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

SSS 2010-01-12

If youve ever had a garden or grown flowers in a window box, youve probably heard that you shouldnt water your plants at high noon because their leaves might scorch. Now a study in a journal called New Phytologist confirms that water droplets can foc

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

未来家庭和办公室的样子

Microsoft has unveiled its vision of what the home and office of the future will look like - and there are giant screens everywhere. 微软展示了未来家庭和办公室的愿景，四处都是大屏幕。 The computer giant produced the concept v

原汁原味商务英语播客 第70课:考虑提议(下)

This is the second in a two-part Business English Pod series about an internal meeting to consider a proposal. 这是2节商务英语播客的第2节，将要学习到在内部会议中考虑提议。 As we saw in the last episode, this type of meeti

TED演讲 :飞向海洋(5)

You see the larger wing area here. 你们可以看到这儿有面积更大的翅膀。 Also, clearly, it was such a powerful thing,we wanted to try and bring other people but we couldn't figure out how to do it. 而且，这还是件很有影响力的事

生活大爆炸第一季第九集_3：The Cooper-Hofstadter

生活大爆炸第一季第九集_3：The Cooper-Hofstadter Polarization Okay, I'm leaving for the conference. 好啦，我要去参加会议了。 -Sheldon：Have fun presenting my lucky hunch. 祝你报告我的小运气愉快。 -Leonard：Shel, I

时代周刊盘点年度十大发明：这才叫终极创造力

每年，《时代周刊》都选出让世界更美好、更智能、更有趣的发明。今年的也能让你大吃一惊哦！ 1.The Levitating Lightbulb 1.悬浮灯泡 Since he was a child, Simon Morris has been obsessed with making objects float

美国军队将参加约旦多国军事演习

WASHINGTON, May 19 (Xinhua) -- U.S. troops will take part in a multinational military exercise in Jordan next week in a bid to demonstrate the U.S. commitment to security and stability in the region, the Pentagon said Monday. About 6,000 U.S. troops,

TED演讲:月亮的错觉(2)

For one thing, if this was just the Ebbinghaus effect, 首先，如果真是艾宾浩斯效应， then we would expect the moon illusion to disappear for pilots flying high above the clouds 那么我们应该预期月球错觉对于空中的飞行员来

中英双语新闻——130 If zombies invade...

Zombie apocalypses. Robot revolutions. These may seem like impossibilities, but many people prepare for these events on a daily basis. 僵尸启示录，机器人革命。这些听起来像是天方夜谭，但很多人日复一日地为这些事变时

别人家的马路：巴黎自行车将被允许闯红灯

Cyclists in Paris are to be allowed to ride through some red lights in a bid by the mayors office to get more people on their bikes. 在巴黎骑自行车的人将被允许闯一些红灯，市长办公室此举是为了鼓励更多的人骑自行车。

经济学人:货币的半衰期 (2)

To make the numbers easier to grasp, they have provided an alternative way to express them. 为了让大家更好理解这些数据，他们提供了另一种表述方式。 They calculate how long it would take for prices to double, if inflation per

俄罗斯确认恐怖袭击导致空难

The head of Russia's Federal Security Service Alexander Bortnikov revealed that the plane crash was the result of a terrorist attack, and that explosives were used to orchestrate it. According to our experts, a homemade explosive device equivalent to

TED演讲 4D打印机的诞生(5)

So I know you're probably thinking, okay, that's cool, 我知道大家现在大概会想，好吧，看着挺酷的， but how do we use any of this stuff for the built environment? 但是我们怎么把它应用到生产环境里？ So I've started