• ThatWeirdGuy1001@lemmy.world
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    16 days ago

    Looks like a black light overhead causing everything fluorescent to glow.

    Edit: Not even just looks like. That’s exactly what it is.

    • Psythik@lemmy.world
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      16 days ago

      Well yeah; to see the glowing effect of Uranium glass, you need to put it under a UV light.