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They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

疯狂英语口语绝招 巧问妙答

Oh ,let me think for a moment . [00:03.79]噢，让我想一会儿。 [00:07.58]I haven't a clue ,I 'm afraid. [00:12.15]我没有线索，很抱歉。 [00:16.72]I'm not really sure ,sorry . [00:20.87]我真说不准。对不起。 [00:25.03]I'm terr

Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations

Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations The waning years advances in computer hardware and software, mechanical devices, sensors and artificial intelligence brought the world another step closer to the robotic future. Electric cars

走进剑桥大学 第8期:牛顿的苹果树

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家，也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

科学美国人60秒 SSS High Fiber Diet Keeps Intestinal Walls Intact

Your nose may be the first place you think of as a source of mucus. But mucus is a major player in your gut, too. There's antimicrobial peptides and proteins that are present in there. Bacteria live in there and forage on the carbohydrates. And it's

掉进水里也能浮在水面的手机

More than 82 millions phones are damaged each year after being dropped down the toilet, into swimming pools or lost at the beach. 每年都有超过8200万部手机因为掉进厕所、泳池或在海滩上丢失而损坏。 A number of waterproof ha

可以帮助农民干活的机器人

Robot Can Help With Farm Work 可以帮助农民干活的机器人 In the American state of Idaho, a robot moves between lines of fruit trees and grapevines. It is doing farm work. Called IdaBot, this robot is a prototype, or model. An engineering te

2007年VOA标准英语-Study Shows High Fiber Diet Not More Helpful Fi

By Melinda Smith Washington 18 July 2007 We are going to find out about two studies on breast cancer. One studied whether a diet very high in fiber and low in fat could reduce the risk of recurring breast cancer. Another study focused on women with a

VOA标准英语2010年-Teen Engineers Design Green Cities of

Related Links: 2010 National Engineers Week Future City Competition Davidson IB Middle School U.S. Space and Rocket Center Space Camp On the third and final day of the 2010 Engineers Week Future City Competition regional winners from 39 schools, alon

美国国家公共电台 NPR The FDA Will Decide Whether 26 Ingredients Count As Fiber

RACHEL MARTIN, HOST: The Food and Drug Administration is set to decide soon on a matter that could help you rethink fiber. Yeah, we're talking about fiber. We're told to eat a whole lot more of it. It's good for us, right? But what exactly counts as

英语听力：自然百科 穿越银河系的旅行 Through Milky Way—14

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

经济学人23:高速而廉价的光学Wi-Fi即将问世

Science and Technolgy. 科技。 Visible-light communication. 可见光通信。 Tripping the light fantastic. 与光共舞。 A fast and cheap optical version of Wi-Fi is coming. 一个高速而廉价的光学Wi-Fi即将问世。 AMONG the many new

零食包装上的英语

地球村时代，英语和中文也全球化了。爱吃零食的你怎能不会看包装袋的英文呢？小心哦，不要一不留神，营养没跟上，脂肪增加不少了哟。健康又美味，包装英语跟我学! 国外食品的包装上，

5G无线网络:速度并不是全部

When it comes to the wireless networks of the future, speed won't be everything. 一提到未来的无线网络，速度并不能代表全部。 The advent of so-called 5G, or fifth-generation, wireless technology will bring incredible speed, for sur

VOA标准英语2009-Air France to Replace Speed Sensors on Airbu

As search crews continued to look for more bodies and wreckage from last week's Air France plane crash, the French carrier has decided to immediately replace suspect speed sensors with new ones on all its long-haul Airbus carriers. The speed sensors

中国新型战机亮相迪拜航展

Lin Peng, FC-31's chief designer, says the fighter can be customized according to users' demands. The users can designate domestic or International suppliers to provide communications equipment, sensors and guided weapons. The FC-31 is expected to ma

经济学人221:可见光通信 与光共舞

Science and technology 科学技术 Visible-light communication 可见光通信 Tripping the light fantastic 与光共舞 A fast and cheap optical version of Wi-Fi is coming 一个高速而廉价的光学Wi-Fi即将问世 AMONG the many new gadgets u

可以调焦的眼镜?

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜，但是是眼镜改革的最前沿。 Part of a new line of electronic eye

机器人厨师诞生了！

Picture the scene: You come home after work feeling too exhausted to cook only to find a delicious meal worthy of a Michelin-starred restaurant waiting for you. 想象一下这个画面：下班回家倍感疲倦不想做饭却发现可以和米其林星

莫斯科地铁站开放首个公厕

Passengers on Moscow's underground system can now access a toilet for the first time - but only at one station. 莫斯科地铁系统的乘客现在终于能用上卫生间了，这还是破天荒头一遭，不过只有一个站点设了卫生间。