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Sep 2, 2022 at 6:30 history edited Qmechanic CC BY-SA 4.0
edited tags; edited title
Sep 2, 2022 at 4:39 comment added John Rennie The derivation is done in "Reality" of length contraction in SR.
Sep 2, 2022 at 1:43 vote accept Irene
Sep 2, 2022 at 1:38 answer added kjfkljfhdl timeline score: 1
Sep 2, 2022 at 1:27 history asked Irene CC BY-SA 4.0