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Friction without contact discovered as magnetic forces break a 300-year-old law
(www.sciencedaily.com)
this post was submitted on 23 Mar 2026
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Oh wow a lot farther than i was thinking. I had guessed submillimeter. Thanks for the link to the paper.
Magnets such as those NdFeB magnets (N35 grade with nickel surface coating, HKCM Article No. 9963-73617 and HKCM Article No. 9962-61814) weren't tested back then, I guess.