why does squinting help when trying to read something small or far away?
In: 35
The key here is that light bends when passing an edge. Your eyelids are esentialy an edge and bend the light, the way eye glasses would.
Also try this trick.
Hold your thumb and forefinger very close, look through this crack, you will notice the same properties and clearer vision.
Yes, this is how a pin hole camera works.
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