See also Heinlein's Waldo (1942) where the hero invents a receiver for an inexhaustible ambient energy source. I wonder if Rand read Astounding. To me, a good h

See also Heinlein's Waldo (1942) where the hero invents a receiver for an inexhaustible ambient energy source. I wonder if Rand read Astounding. To me, a good hard scifi story is allowed up to one impossibility anyway, as long as taken seriously.