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Why does light move on the floor when you move your body?
If you watch a beam of light shining on the ground (a good example of this is the overhead lights in a supermarket shining on the clean white tiles) it will move on the ground as you move your head/body. How can this be? What does the location of your head/body have to do with the location of the beam of light on the ground? What is this?
There must be something I'm missing here, because this just is making no sense.
P.S. Sorry if the post is hard to understand.
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I came across a nice rack at the department store
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