VOA慢速英语--科学家:蜘蛛利用电场在空气中移动

Scientists: Spiders Use Electric Fields to Move through Air Scientists have long wondered how spiders can use the webbing they make to fly. The 19th century English naturalist Charles Darwin commented on their behavior when very small spiders landed

SSS 2008-12-18

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

SSS 2008-11-25

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

科学美国人60秒 SSS Heat Sensor Has Snaky Sensitivity

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

SSS 2009-04-15

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

TED演讲:我们为什么会对机器人有感情(1)

There was a day, about 10 years ago, when I asked a friend to hold a baby dinosaur robot upside down. 大概10年前的一天，我让一个朋友头朝下地握持一个小恐龙机器人。 It was this toy called a Pleo that I had ordered, and I wa

TED演讲:听到的色彩(1)

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分，这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色， a

EcoVelocity in London

EcoVelocity is an outdoor car show with a difference. This eco-conscious motor show celebrates all things green. High-performance vehicles at this year's EcoVelocity show in London prove that electric vehicles can look great and deliver blisteringand

英语听力文摘 English Digest 474、海洋独特的磁场

Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve

重磅！三星推出新款智能手表Gear A

Details about Samsung's next big smartwatch have been trickling out for weeks. But now a new report gives us the most detailed look yet Samsung's next wearable. 关于三星下一代智能手表的细节已流传数周。但现下有一份新报告向我

智能项圈助你听懂猫语

Cat lovers of the world, rejoice! You finally have the chance to understand what your pet is saying thanks to a smart collar that can interpret feline meows and translate it into human speech. Aptly named Catterbox, the collar supposedly has a digita

英公司发明排队神器

When you're out shopping it can sometimes feel like you're always stuck at the end of the longest line. 外出购物，总免不了碰上排队这个老大难问题：长长的队伍似乎总排不完。 Shoppers know this age-old dilemma all to well

美国少年刷新速解魔方世界纪录

The Rubik's Cube has puzzled the minds of millions for decades, with most people giving up before ever coming close to finishing the notoriously difficult game. 数十年来，极其难解的鲁比克魔方困扰了数以百万计的挑战者，他们中

2016国际消费电子展看点回顾

Here are some key highlights from the 2016 Consumer Electronics Show, which concluded recently: 2016国际消费电子展刚刚落下帷幕，以下是本届展会的部分看点： 1. Netflix stunned the show with the announcement that it added 130

小米将不会参加全球移动大会 旗舰小米6延期发布

Rumors of a successor to Xiaomi's 2016 Mi 5 flagship smartphone have begun to heat up, but the company has cooled off any hype by announcing that it will skip Mobile World Congress this year. 虽然关于2016年小米5旗舰版后续型号的传闻越炒

迪士尼将建“星球大战”园区

Disney has announced plans to build an enormous Star Wars land marking the biggest expansion in the theme park's history. 迪士尼宣布，计划建造一个《星球大战》主题的大型园区，这将是迪士尼史上最大的园区扩张。 I

俄罗斯测试现代化的反潜机

俄罗斯测试现代化的反潜机 MOSCOW, Jan. 5 (Xinhua) -- Russia's Northern Fleet will test a modernized anti-submarine aircraft, the Il-38N, which could be used in the Arctic region, a military official said Sunday. The plane has been enhanced

美科学家:糖尿病治疗的未来

Reporter: Keeping track of carbohydrate intake, monitoring blood-sugar levels, and injecting insulin is a never-ending cycle for diabetics trying to stay healthy. Labs at Harvard University and MIT have realized major advances in engineering to maint

App让手机变身保镖 再也不怕走夜路啦

If you've ever felt threatened walking home late at night, chances are you've phoned a loved one to make sure they know you're safe. 如果你深夜步行回家时感到害怕，你极有可能向你爱的人打电话，向他们报平安。 But maki

英语听力精选进阶版 6413

As the old saying goes, necessity is the mother of invention. A tragic event in India the gang rape of a young woman led engineering students to develop a bra that can deliver a 3800kv electric shock to any would-be attacker. Manisha Mohan, from the