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Cake day: July 26th, 2023

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  • Echo Dot@feddit.uktoComic Strips@lemmy.worldWhat could probably happen....
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    14 hours ago

    A single atom of gold is far too small for any photon in the visible spectrum to interact with.

    A single atom of gold is 0.2 nanometres (a nanometre is an incredibly small thing and a gold atom isn’t even half of 1% of that), meanwhile the wavelength of blue light (The smallest wavelength of visible light) is a hulking 380 nanometres. No matter how much you zoom in you would never see anything a single atom is just too small to interact with light.