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

60秒科学:NASA将发火星探测器 揭火星大气层流失之

诸多线索综合起来为我们描绘出一幅画面：那是火星遥远的过去，那时的火星还有着一层厚厚的大气层，令这颗星球温热暖和，从而使水能够在火星表面流淌。但如今，地表的水消失不见，而

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

玩转商务英语900句 第331期:营销大战(1)

I believe that by 2015. purely electric, zero-emission vehicles. will take 10% of the global car market. 我相信到 2015 年， 純电动、零排放的汽车将拿下10%的全球汽车市场份额。 I believe that by 2015. purely electric, zero-e

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-

2006年VOA标准英语-Wind Power, a Great Reserve

By Zulima Palacio Washington, DC 24 April 2006 watch Wind Power report It is estimated that the world's consumption of energy will increase by 60 percent over the next 20 years. Today half of U.S. ele

SSS 2010-10-07

The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away

VOA慢速英语2011--Ocean Storms and the Science of Nature's

SCIENCE IN THE NEWS - Ocean Storms and the Science of Nature's Power CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS in VOA Special English. Im Christopher Cruise. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about the science of severe o

2006年VOA标准英语-Wind Power Grows as Alternative US Energy

By Mike O'Sullivan Los Angeles 01 March 2006 Windmills in California Windmills are sprouting across the United States, as Americans search for non-polluting alternative energy sources. The West Coast

VOA标准英语2009年-Texas Wind Power Museum Shows Way to Sustainabl

One of the key sources of renewable energy being developed today is wind power, utilizing giant turbines to generate electricity. These work best in windy places like the U.S. Great Plains that stretch from west Texas in the south to the Dakotas in

Artificial Leaf Turns Sunlight into Electric Power

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

VOA标准英语2010年-Electric Brain Stimulation Helps Numer

An estimated 20 percent of the population has trouble working with numbers. That's as many as one person in five with some sort of numerical disability. The British researchers are exploring ways to stimulate the brain to improve the ability to under

VOA标准英语2009年-Obama Unveils $3.4B Plan to Update US Ener

By Kent Klein White House 27 October 2009 President Barack Obama speaks during his tour of the DeSoto Next Generation Solar Energy Center in Arcadia, Florida, 27 Oct 2009 U.S. President Barack Obama says the government will spend $3.4 billion to upd

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

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

舞曲狂欢:Dash Berlin - Man On The Run

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京津冀协同规划电力建设

The two municipalities and one province have launched a project to build wind, photovoltaic and power storage stations. Zhangjiakou, a city in Hebei province, boasts more than 6,000 hours of effective winds annually and 3,000 hours of sunshine annual

英文乡村歌曲：Dierks Bentley - Free and Easy (Down the Road I Go)

Pair of boots and a sack of clothes Free and easy down the road I go Hangin' memories on the high line poles Free and easy down the road I go Free and easy down the road I go Ragweed's rockin' on the radio Free and easy down the road I go So I keep r

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