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Why don't perpetual motion machines ever work? - Netta Schramm
The Controversial Perpetual Motion Machine We Set the Truth Straight
How To Debunk Perpetual Motion Machines - with Tom Scott
More Bizarre Attempts at Perpetual Motion Machines
Adam Savage vs The "Perpetual Motion" Machine!
The Controversial Perpetual Motion Machine We Set the Truth Straight 2
The Most Incredible Attempts at Perpetual Motion Machines
Debunking Perpetual Motion Machines
The Impossibility of Perpetual Motion Machines
Perpetual Motion Video....Is It Fake or Real ??
Wheels, Bombs, and Perpetual Motion Machines
You can't hide the batteries when it's transparent!
