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The spinning tube trick revealed [Video]
posted April 4 2012 6:18.55 by Giorgos Lazaridis

Here is a nice trick that you can do with a single piece of pipe and a marker. The trick goes like this. You cut a short piece of pipe, and mark one end with X and the other with O. Then with your finger you press the pipe on the X or O side so that it starts to rotate. Amazingly, you will only see the X or the O, depending on which sign you pressed. Watch this video first:

Here is the answer to the previous video

And here is the trick revealed:

[Link: Veritasium]
Tags: science   revealed   trick   tv   physics   games and fun   

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