“In the choice between changing one’s mind and proving there is no need to do so, most people get busy on the proof.” John K. Galbraith, Economist (1908 – 2006).
Monday, 16 January 2017
Space cleaners
Japan has launched an experimental space scavenger into orbit that will examine the possibility of getting rid of cosmic junk using a 700 metre electrodynamic tether.
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