Why when we look at water it’s clear. but when we go under water it’s blurry?
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Human eyes can’t work properly under water, they’re not made for that, and the way light behaves in air and in water is different, but our eyes have no way to adjust to that. When you’re looking at water your eyes are not submerged, so you just see the water as the liquid it is, with all its quirks related to light like refraction and such. But when you actually submerge your eyes under water then the water is not any less clearer, it’s just that your eyes can’t actually adjust for the distortions the water causes to the light.
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