Limiting Factor by Clifford Simak:
Science Fiction Inventions, Technology and Ideas

Excellent early Simak yarn about explorers who try to understand what happened in an apparently abandoned solar system. One planet in particular appeared to be an absolutely smooth steel ball. What happened?


('Limiting Factor' by Clifford D. Simak)

Read it here. Select an invention:

Metal Calculator Planet - the Burroughs planet
A planet covered entirely with machinery to a height of twenty miles and covered with a metal roof.

 

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