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|They do it with mirrors (Posted on 2006-04-26)
If I stand in front of a mirror, the light takes a finite, albeit small, amount of time to reach my eye.
So I am seeing myself as I looked some small fraction of time in the past.
Now if I stand with a second mirror behind me, I can see an infinite number of images of myself, each slightly older.
If I had my arm raised, and then I lowered it, can I still see an image of myself with raised arm?
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Submitted by goFish
Rating: 3.7500 (4 votes)
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