this post was submitted on 29 Aug 2026
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[–] Simulation6@sopuli.xyz 20 points 4 hours ago (1 children)

Don't these fields fluctuate in some currently not understood way?

[–] edg@lemmy.world 22 points 4 hours ago (1 children)

Yes, constantly. The prepared map becomes less accurate over time.

[–] zaphod@sopuli.xyz 9 points 2 hours ago (2 children)

So you constantly need updated maps. Reminds me of celestial navigation where you always need an up-to-date almanac.

[–] Bluewing@lemmy.world 6 points 1 hour ago

Hhhmmmm, sounds perfect for the subscription model......

[–] ReluctantMuskrat@lemmy.world 1 points 1 hour ago (1 children)

But how do you get your position to update your map? Oh... GPS will work!

[–] zaphod@sopuli.xyz 1 points 55 minutes ago

What? You just download a new map for the area you want to go to every year or so, no need for GPS