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Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that
VOA2003（上）-科技导航
AS IT IS 2013-05-03 Space Flights Can Harm Astronauts' Health Hello, again. Im Jim Tedder in Washington. Thank you for spending some time with VOA. Today, we have two stories from Africa. There is disturbing news about migrants in the Horn of Africa.
2013年VOA慢速英语(五)月
Study: Immune System Weakens in Space During the final flight of the US space shuttle Atlantis in the summer of 2011, one of the most important pieces of scientific cargo on board was a medical experiment designed to test how the human immune system
VOA标准英语2013年(四月)
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
Nature reports results from GRACE, a satellite machine designed to use gravity measurement to monitor the world's water resources. GRACE is the Gravity Recovery and Climate Experiment and it's a two-satellite machine. These two satellites are followi
自然百科2010年
China successfully launched its first microgravity satellite, the SJ-10, at the Jiuquan Satellite Launch Center in Gansu province Wednesday at 1:38 am. 周三凌晨1时38分，我国首颗微重力科学实验卫星实践十号在甘肃酒泉卫星发射
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