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Cake day: June 17th, 2023

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  • Entropius@lemmy.worldtoScience Memes@mander.xyzSpeediest little fella.
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    1 year ago

    Space bending is a general relativity thing, which isn’t really related much to how mirrors work.

    Regarding the medium bit, photons being absorbed and remitted can’t explain how light moves slower in glass. This is just an extremely popular myth. Photons are only absorbed by atoms at very specific frequencies. Also, the entire reason glass is transparent to begin with is that it’s not absorbing the photons (requires too much energy to bump the electron’s energy level so the photon isn’t absorbed and it keeps on trucking). Also photon absorption and remission is stochastic so there’s no way to control the direction it happens in or how quickly it happens. Random directions of remitted light would make glass translucent, not transparent. So for a few reasons, that’s not how it works.