this post was submitted on 28 May 2025
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Geologists doubt Earth has the amount of copper needed to develop the entire world (www.earth.com)
submitted 5 days ago by floofloof@lemmy.ca to c/technology@lemmy.world
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[–] GenosseFlosse@feddit.org 3 points 5 days ago (1 children)

Now, one place it’s more of a problem is in things like transformer windings. There are kilometers of wiring in any of them, so the higher resistance of aluminum is a problem.

Is it? As far as I know you can use a larger diameter wire to get the same resistance as copper, if your device has enough space for bigger coils.

[–] barsoap@lemm.ee 1 points 4 days ago

You're trying to transmit power via magnetism so distance is an issue.