I'm making a tea bag experiment (Make a hollow cylindrical tube from light paper e.g. from an empty tea bag. When the top end of the cylinder is lit, it takes off.) I need to know how hot air is moving so please help me if you have thermal imaging camera or with out it write your opinion
closed as not constructive by Ϛѓăʑɏ βµԂԃϔ, Manishearth♦ Dec 23 '12 at 18:14
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