the Earth, i.e., the space solar satellite beaming converted solar energy to Earth via microwaves. This was the dream of Peter Glaser and his colleagues some 10—15 years ago — considered then as science fiction, but no longer such: (a) efficient energy transfer by microwaves has been demonstrated; (b) a space shuttle has been realized, making manned space stations a practical proposition. This has led to recent proposals and predictions of sending people off the Earth into outer space because the space on Earth is getting overcrowded (i.e., shortage of materials and energy). It would appear to me more sensible to ship energy to the Earth than to ship people out. This is a solar dream that I believe is feasible: it needs a major decision of the type taken to send a man to the moon. The truth is — as indicated earlier — we don’t have many alternatives.
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