Birdwatch Note Rating
2023-11-04 12:40:20 UTC - HELPFUL
Rated by Participant: FE776B4C97FB9C09E7D1235E97E7CCF6F41B25D0704A66D67FB65ECAB34B91E1
Participant Details
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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