‘‘Sagnac’’ effect: A century of Earth-rotated interferometers

@CaeJak @RealNotFiction @TNTJohn1717 Measurements are not theories. Level does not contradict the spherical shape of the Earth. See #LevelSurfaces. Its angular velocity has been measured many times in the last century: https://t.co/0LIMX8rttS The means to

@btcandfreedom @maxsec @Coincologist You got the central and external velocities swapped but... Yes, we are able to measure these differences. Why do you think "we on Earth are not"? We can and we've been doing it. https://t.co/JUw6EaaLat

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