this post was submitted on 02 Feb 2026
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Science Memes

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[โ€“] psud@aussie.zone 1 points 23 hours ago (1 children)

flows outside the wire, not in it

Yet it propagates at the speed of light in the material the wire is made of

It's not meaningfully outside until its outside an antenna

[โ€“] umt@lemmynsfw.com 1 points 4 hours ago

No, it propagates at the speed of light in space.

https://www.youtube.com/watch?v=bHIhgxav9LY