The Most Ingenious Attempts at Perpetual Motion
http://youtu.be/iTQSqPFdP5s
Let's talk about some wild attempts at perpetual motion machines! First up, we've got the Beverly Clock, a real trooper running for a whopping 158 years thanks to clever use of temperature changes to keep ticking. Then there's the Crookes Radiometer, spinning away using heat and light like a champ. And don't forget about the Oxford Electric Bell, ringing strong for over 180 years! But here's the thing—true perpetual motion machines? Not gonna happen! See, they'd violate the laws of thermodynamics, which basically means you can't create energy out of thin air.
Credit:
Crookes tube: D-Kuru, CC BY-SA 2.0 AT https://creativecommons.org/licenses/by-sa/2.0/at/, https://commons.wikimedia.org/wiki/File:Crookes_tube_two_views.jpg
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