• scarilog@lemmy.world
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    1 day ago

    Disagree on eyes. Light is EM radiation, not a mechanical wave like sound. Your retina isn’t ‘touching’ anything but the vitreous.

    • kautau@lemmy.world
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      1 day ago

      Though isn’t it a stream of photons that hit the photoreceptors? So not touch in the mechanical sense, but things are still “touching” in the colliquial sense, like a very minute and specialized version of smell