Birdwatch Archive

Birdwatch Note Rating

2023-11-04 14:48:18 UTC - HELPFUL

Rated by Participant: 595C84E437BDF97626C5434FDDB5C25D7EABEE3816C96827ADC15A4503B34AC9
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Original Note:

There is currently no permanent magnet able to create free energy as mentioned here. https://physics.stackexchange.com/questions/216527/do-magnets-ever-lose-their-magnetism-and-if-so-how-long-does-it-take TLDR/ELI5 : Magnets lose their "energy" when their structure change. In this case, heat will change the structure of the magnet and make it useless. Changing a magnet is not free.

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  • helpfulnessLevel - HELPFUL
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