Âé¶¹´«Ã½

Space

Old Scientist: Communication on Earth – and beyond

By Mick O'Hare

30 May 2018

astronauts

H. Armstrong Roberts/ClassicStock/Getty Images

COMMUNICATION is key. Indeed, that’s why Âé¶¹´«Ã½ exists: to communicate science to the world. And possibly beyond… we were concerned that, once humans had made their way to the moon, disparate groups of lunar explorers might be unable to communicate with each other, let alone Earth. Radio waves, we opined, would not be constrained by an atmosphere and would therefore travel in straight lines out into space. The solution, it seemed, was to scatter “metallic needles” into orbit that were “capable of reflecting radio waves of given frequency”, so creating an artificial…

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