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    6 months ago

    Fortunately, vision is based on a “dark current” that requires energy to not see light. (This is supposedly why some people in a near-death experience report seeing a white tunnel effect.)

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        6 months ago

        It’s been that way since long before the dawn of humanity itself, and will be that way long after we ourselves are gone (unless all we leave behind are cockroaches), so don’t sweat it - our understanding is irrelevant to its continued functioning regardless:-).