An energy source that is nondepletable, available to everyone, environmentally clean, and in a form we can easily use—we have yet to find it on Earth, but it is there for the taking in space, argues space engineer Ralph Nansen in Energy Crisis: Solution from Space. He presents a bold and far-reaching plan to deploy satellites that will capture solar radiation from the sun and beam it to earth for use in generating immense new quantities of electricity. Plans for such satellites have been under way since the 1970s, he explains, relating the historical background of America’s space program and technical details of the structures that a hypothetical solar-satellite system would include.
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