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|    sci.physics.research    |    Current physics research. (Moderated)    |    17,516 messages    |
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|    Message 17,005 of 17,516    |
|    Luigi Fortunati to All    |
|    Re: Einstein's elevator    |
|    05 May 22 07:26:49    |
      From: fortunati.luigi@gmail.com              Luigi Fortunati martedì 03/05/2022 alle ore 10:17:57 ha scritto:       > [Moderator's note: Even if gravity is not localized, the concept of an       inertial frame can be. -P.H.]              Ok, so let's ask ourselves who is at rest and who is not in the "local"       reference.              Let us ask ourselves: if the man in the elevator stopped at the floor       drops the ball he is holding, is it the ball that falls towards the       floor (Newton) or is it the floor that falls towards the ball       (Einstein)?              It is entirely reasonable to imagine that there may be a force capable       of accelerating the ball downwards but it takes a lot of faith to be       able to accept that there may be a force capable of accelerating the       entire Earth towards the ball.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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