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    Today I learned (todayilearned@noc.social)'s status on Sunday, 15-Mar-2026 14:21:44 JSTToday I learnedToday I learned

    TIL according to Einstein's relativity, the past still exists: every moment is a permanent coordinate in spacetime. When his friend Besso died, Einstein wrote: For us believing physicists the distinction between past, present, and future only has the meaning of an illusion, though a persistent one.

    https://en.wikipedia.org/wiki/Michele_Besso
    #til #todayilearned
    https://www.reddit.com/r/todayilearned/comments/1ru4tiy/til_according_to_einsteins_relativity_the_past/

    In conversationabout 5 months ago from noc.socialpermalink

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      TIL according to Einstein's relativity, the past still exists: every moment is a permanent coordinate in spacetime. When his friend Besso died, Einstein wrote: For us believing physicists the distinction between past, present, and future only has the meaning of an illusion, though a persistent one.
      from 2dogs1man
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