2.6M views · 61K reactions | A wheel that spins forever; a bird that...

Most-viewed video of 2017: Why don't perpetual motion machines ever work? #10YearsofTEDEd* Perpetual motion machines — devices that can do work indefinitely without any external energy source — have captured many inventors’ imaginations because they could totally transform our relationship with energy. There’s just one problem: they don’t work. Why not? *We're counting down to our 10th birthday on March 12 by sharing ten of our most-viewed videos —one published in each year that we’ve been aroun

Testing the Perpetual Motion Myth for Real People keep saying you can build a powerful perpetual motion machine with almost no effort. So I tried the idea myself just to see what’s real and what’s pure fantasy. Spoiler: physics doesn’t let anything run forever. #MythBusting #ScienceExplained #DIYExperiment #EngineeringFacts #STEMLife #CuriousMinds #RealTalkScience | Great Moments Videos