this post was submitted on 15 May 2026

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Mildly Interesting

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Shining a light behind this metal credit card. (lemmy.world)

submitted 1 week ago by violentfart@lemmy.world to c/mildlyinteresting@lemmy.world

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[–] zener_diode@feddit.org 4 points 1 week ago

Ooh, very cool!

Are the two different pictures different wavelengths, or do you just have two seperate sensors? (I have no idea how this works, just a highschool level understanding of x-rays.)