this post was submitted on 11 May 2024
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Science Memes

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[–] lauha@lemmy.one 2 points 6 months ago (1 children)

I understand smartphones. They are relatively simple devices.

Apart from GPS and 5G communications which are pure black magic.

And magnets: magic

[–] Eheran@lemmy.world 4 points 6 months ago

Simple...? Just understanding how transistors can be combined to generate a picture on a screen is crazy complex.

Magnetic fields are a big part of smartphones in various, different uses. GPS is low tech compared to how the CPU is made.