Stuff They Don't Want You to Know: Has someone invented a perpetual motion machine?

Name: Stuff They Don't Want You to Know: Has someone invented a perpetual motion machine?
Uploaded: 2019-03-30T09:23:04+00:00
Duration: 6 min 54 s
Description: For centuries people have tried to invent perpetual motion machines and many inventors have claimed they successfully cracked the laws of thermodynamics. But have they?

HowStuffWorks_Conspiracy_Theories Published March 30, 2019 26 Views

Rumble — For centuries people have tried to invent perpetual motion machines and many inventors have claimed they successfully cracked the laws of thermodynamics. But have they?