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视频简介

Brian Cox tackles some of the most challenging and intriguing questions facing science today by using his best material from past programmes and the latest scientific research. Episodes include… Space: How Far Can We Go?（太空：我们对宇宙的探索能走多远？） Brian believes we are at the start of a new age of space travel, where space flight is on the verge of becoming routine. In this episode, he ...。The worldwide use of means of communication such as the telephone, television, and internet is still growing rapidly. Cable companies and telecom providers are working hard to connect everyone to their networks, including people living in remote villages in the countryside. Please Hold the Line follows telecom engineers in a number of Eastern European countries during their vis...。