Friday, November 22
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The Most Ingenious Attempts at Perpetual Motion

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 thingβ€”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
CC BY 3.0 https://creativecommons.org/licenses/by/3.0/:
Kolbenluftpumpe: Hannes Grobe, https://commons.wikimedia.org/wiki/File:Kolbenluftpumpe_hg.jpg
Beverly clock inner: Mysterious snapper, https://commons.wikimedia.org/wiki/File:Beverly_clock_inner.jpg
CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/:
Perpetual motion: Citron, https://commons.wikimedia.org/wiki/File:Perpetual_motion_wheels_Vinci.jpg
Radiometer: Nevit Dilmen, https://commons.wikimedia.org/wiki/File:Radiometer_9965_Nevit.gif
Beverly clock: Mysterious snapper, https://commons.wikimedia.org/wiki/File:Beverly_clock.jpg
University of Otago: Ulrich Lange, Dunedin, New Zealand, https://commons.wikimedia.org/wiki/File:University_of_Otago.jpg
Electric Bell: DavidCWG, https://commons.wikimedia.org/wiki/File:Oxford_Electric_Bell.jpg
Oxford-electric-bell: Nicolas1981, https://commons.wikimedia.org/wiki/File:Oxford-electric-bell.svg
Sir William Crooks: Wellcome Collection gallery, CC BY 4.0 https://creativecommons.org/licenses/by/4.0/, https://commons.wikimedia.org/wiki/File:Sir_William_Crooks_in_his_laboratory._Wellcome_M0004618.jpg
Crookes radiometer: Andrejdam, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/, https://en.wikipedia.org/wiki/File:24._%D0%9A%D1%80%D1%83%D0%BA%D1%81%D0%BE%D0%B2_%D1%80%D0%B0%D0%B4%D0%B8%D0%BE%D0%BC%D0%B5%D1%82%D0%B0%D1%80.ogv
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