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VOA慢速英语2018--July 23, 2003: History of Radio

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VOA标准英语2008年-Scientists Solve Mystery of Brilliant Northern,

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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

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2007年VOA标准英语-Airlines Looking to Lessen Environmental Impact

By Brian Padden Paris 21 June 2007 The airline industry has long sought to develop new technology to offset the rising cost of fuel, but the industry also has looked to make flying more energy efficient. This year at the Paris Air Show many companies

充电几秒钟通话一星期 美大学研发超级电容电池

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英语词汇分类：物理

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

TED演讲:宇宙的灭亡(2)

This dark energy doesn't behave like any other substance we know at all and acts more like antigravity force. 这种暗能量的性质与我们所熟知的其他物质完全不同，它更像是反重力。 We say that it has a gravitational pressure

TED演讲:宇宙的灭亡(1)

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空，我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

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2016年CRI Tech Breakthrough on EVs Needs Unified Efforts: Political Adviser

After failing in Beijing's license plate lottery system for some three years, Qin Xiaofei finally made his decision in January to buy a battery-driven car to chauffeur his wife who has recently become pregnant. But, he says, one of the biggest concer

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On a previous Moment of Science we discussed one of the problems with turning yourself invisible. Sure, it sounds like fun. But a little physics showed us that the invisible man couldn't see anything either, because in order to see, light has to inte