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Old August 23rd, 2006, 13:52
007 007 is offline
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Default Mystery of the one way hole

My chemistry teacher wrapped a swatch of cheesecloth over a jar and poured water through the closth and into the jar. Then he turned the jar over and the water didn't escape. He has asked us to solve the mystery of the one way holes. I have thought and searched and I can't come up with anything. Can anyone offer the answer? Thanks.