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World's first GPS-free quantum navigation trial succeeds at sea (interestingengineering.com)

submitted 1 month ago by Gsus4@mander.xyz to c/technology@lemmy.world

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[–] Knock_Knock_Lemmy_In@lemmy.world 1 point 1 month ago (1 child)

Unless there is volcanic activity, geography can be considered permanent within a lifetime. Given the accuracy this technology claims, I suspect the lifespan is very short lived.

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[–] Natanael@infosec.pub 2 points 1 month ago*

https://www.djublonskopf.com/2014/09/02/how-do-we-know-the-continents-are-moving/

Multiple centimeters per year isn't nothing but it is enough to force recalibration within your lifetime, multiple times

You don't use those kinds of sensors non-stop from one calibration. You recalibrate and update maps regularly. Then if you lose some sensors you can still read reckon with high enough precision for weeks

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