单词：acoustic levitation
单词：acoustic levitation 相关文章
Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part
2014年VOA慢速英语(十二)月
China Restarts Fastest Bullet Trains China will again lay claim to operating the fastest bullet train service in the world. According to Chinese media, the Beijing to Shanghai train will once again be allowed to reach speeds up to 350 kilometers an h
2017年VOA慢速英语(九)月
Japan's New Train Will Be Invisible 日本发明透明火车 Japan is famous for its state-of-the-art high-speed railway system. In 2015, its Magnetic Levitation or Maglev train, which gets its name because it hovers 10 cm above the tracks, set a new
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin
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So-called levitation photography is a growing trend in Indonesia. Heavily promoted through social media, the challenge is to snap pictures that make their subjects seem to defy gravity but theres no real trickery involved, just an energetic model and
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BEIJING, Feb. 28 (Xinhua) -- Construction began on China's first low-speed maglev(磁力悬浮火车) line Monday in Beijing, a project that will make China only the second country with a low-speed maglev line after Japan. The project marked China's
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