Royal Institution Christmas Lectures
       
      Royal Institution Christmas Lectures
      The Pace of Technology (1985x4)
      
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      Modern man needs to communicate quickly and over greater and greater distances. Since the invention of lasers and fibre-optics, spectacular feats of communication are now commonplace. In today's lecture Professor David Pye trys to make the world's longest phone call and to receive a signal live from Pioneer 10 as it heads out of the solar system.