Earth and Sky:Electric Fish 发电鱼

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

万花筒 2008-06-04&-06-05

Amid all the tradition and history of Katmandu, a profound change is in the air. In fact, it might literally clear the air, reducing the choking pollution which has blighted this congested valley. The streets of the capital are gradually being taken

美国发明家的电池技术或改变世界

American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

Electric Bike Ban in New York Hurts Food Delivery Workers

A ban on electric bicycles in New York City is hurting delivery workers who depend on them to earn a living. Many of the workers are immigrants. Electric bicycles, or e-bikes, have foot-powered pedals like other bicycles. But they also have electric-

TED演讲:一项关于电动车的大胆计划(4)

You, today, buy gasoline miles. And we created electric miles. 现在大家买的是汽油里程。我们就创造电子里程。 And the price of electric miles ends up being a very interesting number. 电子里程价钱加起来是个有趣的数字。

VOA标准英语2010年-Not Your Father's Electric Car

You're in the market for a new car. You want something environmentally responsible, but you don't want to give up fun. Now you don't have to. But it comes at a cost. Rebecca Ward | Washington DC 24 March 2010 Hot. Hot and green. That's because the Te

VOA标准英语2012--Easing Displacement through Development

Easing Displacement through Development Last year there were more than 26-million people displaced within their countries by violence, conflict or natural disasters. A new report says development initiatives may help alleviate or even prevent displac

VOA标准英语2011-Number of Haitians Living in Displacement

The International Organization for Migration reports a significant drop in the number of Haitians living in displacement camps. IOM reports for the first time since the catastrophic earthquake struck a year ago, the camp population in Haiti has gone

VOA标准英语2014--Religious Freedom Report Highlights Displacement, Repression

Religious Freedom Report Highlights Displacement, Repression STATE DEPARTMENT U.S. Secretary of State John Kerry says countries that undermine religious freedoms ultimately threaten their own security. Secretary Kerry says those who attack religious

VOA标准英语2014--芝加哥的阿贡国家实验室正在研发未来电池

Chicagos Argonne Lab Developing Battery of the Future CHICAGO In 2012, the Department of Energys Office of Science awarded a $120 million grant to a new technology center focused on battery development - headquartered at Argonne National Laboratory i

VOA标准英语2015--Report: Displacement Risk Soars

Report: Displacement Risk Soars Its estimated about 27 million people are displaced every year by natural disasters. A new report says the problem will get worse with more frequent extreme weather events and development in hazard-prone areas. Interna

2007年VOA标准英语-Iraqi Homeless Setting Up Ad Hoc Displacement C

By Lisa Schlein Geneva 15 June 2007 U.N. refugee agency (UNHCR) officials say camps for internally displaced people are beginning to sprout up across Iraq. This is happening, officials say, because communities in the country are closing their doors t

英语听力—环球英语 1267 Electric Guitars

Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 This is the sound of a music instr

2015年CRI Electric Cars Make Headline Again

Official figures from the Ministry of Transportation show emissions from car exhaust account for 31 percent of the country's total air pollution. In an effort to bring that figure down, the central government has been supporting a series of subsidies

2018年CRI Electric cars unveiled at Beijing Motor Show

Automakers are rolling out their new electric vehicles at the 2018 Beijing Motor Show, the motor industry's biggest sales event this year. Carmakers expect new growth in China's market despite the looming threat of a trade war between China and the U

奥巴马每日发言Electric(2009-03-19)

暂无音频 the President just spoke at the Edison Electric Vehicle Technical Center in Pomona, California. The Center provides a broad range of electric transportation services, focusing on solutions for automakers, battery manufacturers, government a

Electric motor made in single molecule

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist

微电子辞典-4

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

2013年美国好声音 Electric Feel - Preston Pohl

All along the western front People line up to receive. She got the power in her hands to shock you like you won't believe. Saw her in the amazon With the voltage running through her skin Standing there with nothing on She's gonna teach me how to swim

英闻天下——296 Infrastructure Needed to Boost Electric Car Market

According to statistics, more than 27-thousand electric vehicles have been sold in the 25 cities around China that are conducting electric vehicle trials. Among the vehicles, 23-thousand are serving the public service sector, but only four-thousand f