Magic Matches

(YouTube link)

This is an old trick, but still impressive. Capillary action draws water into the fibers of the wooden match sticks, and the fibers expand. In the place where the matches were broken, this expansion causes them to revert to their natural alignment somewhat. -via Geeks Are Sexy


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Yeah, the pump is in the black can, he filled it carefully in step 2, so that the intake vent (which is placed high up) was covered and the pump could start the cycle.
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