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STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the
2010年VOA慢速英语(九)月
LULU GARCIA-NAVARRO, HOST: Forget about scarecrows. Some farmers are using laser beams to shoot thieving birds from their fields. From the berry fields of Oregon, Tom Banse of the Northwest News Network brings us this report. TOM BANSE: Blueberry and
2018年NPR美国国家公共电台8月
Quantum communication boasts ultra-high security as a quantum photon can neither be separated nor duplicated. It is hence impossible to wiretap, intercept or crack the information transmitted through it. Anton Zeilinger, an Austrian physicist at the
2016CRI中国国际广播电台
Random numbers are hugely important for modern computing. They're used to encrypt credit card numbers and emails. To inject randomness into online gaming. And to simulate super complex phenomena, like protein folding or nuclear fission. But here's th
2016年Scientific American(九)月
今天我们要学的词是strained。 Strained是紧张的意思。由于在导弹防御系统等问题上存在分歧，美国和俄罗斯关系十分紧张。媒体报道说，U.S. Secretary of State Condoleezza Rice is in Russia to patch up the s
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Leaders from Serbia and Kosovo have pledged to work towards mending their strained relations. It follows the highest level talks held between the sides since Kosovo declared independence from Belgrade in 2008. Although a sign of progress, the meeting
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