this post was submitted on 29 Aug 2026
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[–] Knock_Knock_Lemmy_In@lemmy.world 6 points 1 day ago (2 children)

Why do we expect this quantum map of gravity and magnetic fields to be permanent?

[–] some_kind_of_guy@lemmy.world 1 points 14 hours ago

It is not permanent, but the changes are slow enough

[–] frongt@lemmy.zip 9 points 23 hours ago (1 children)

Why do you think they expect it to be permanent? We survey all kinds of stuff like this all the time.

[–] Knock_Knock_Lemmy_In@lemmy.world 7 points 22 hours ago (1 children)

Geography and celestial maps are permanent (mostly).

The next question is, how long until a quantum measured map becomes unrecognised? Is the half life years or hours?

[–] silicon@lemmy.dbzer0.com 4 points 22 hours ago

I'm guessing remote sensing will be involved with keeping the maps accurate.