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What Happens to Google Maps When Tectonic Plates Move? [Knowlegde]
posted December 14 2013 15:42.07 by spic0m




George Musser was writing up a description of Einstein's general theory of relativity, and he thought he'd compare the warping of spacetime to the motion of Earth's tectonic plates. Nothing on Earth's surface has fixed coordinates, because the surface is ever-shifting. Same goes for spacetime.
But if nothing has fixed coordinates, then how do Google Maps, car nav systems, and all the other mapping services get you where you're going? Presumably they must keep updating the coordinates of places, but how?


[Link: Scientific American]
 
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