I guess you could flag this as biology and physics both at the same time, but it only let me pick one, so I went with other. I understand that parallax is how the landscape moves in the background, but I’m unable to explain it to someone else.
In: Other
Hold your thumb out in front of you and look at it with one eye closed. Now close that eye and open the other one. How your thumb appears to jump back and forth in your view is parallax. Its an exercise in apparent perspective.
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