Nathan Coppedge, who is known for his extensive work on perpetual motion, is the author of Perpetual Motion Machine Designs & Theory. Here is introduced some fundamental examples and illustrations purporting to prove that perpetual motion is not just an interesting theory---it is physically possible Coppedge has been compared to Newton and Einstein for his theories of perpetual motion. This book provides an opportunity to compare theories of perpetual motion to theories compatible with contemporary physics.
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