Cover Image: October 2002 Scientific American Magazine See Inside

There's No Stopping Them [Preview]

Perpetual motion is alive and well at the U.S. patent office

By Graham P. Collins















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Image: JOHN McFAUL

Robert Sheckley's mischievous 1954 short story "

The Laxian Key"


This article was originally published with the title There's No Stopping Them.



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