Comment on If there's a sort of "apocalyptic" event but there are still surviving communities, will people be able to make eyeglasses again, or are people with vision issues gonna be fucked?

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AbouBenAdhem@lemmy.world ⁨1⁩ ⁨week⁩ ago

Just saw a YouTube documentary that reminded me of this comment—it describes how Galileo made his lenses by hand from window glass using an artillery ball as a grinder.

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