| January 26th, 2008 |
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Giant cardboard box vortex cannons Cardboard box vortex cannons are often used to entertain Japanese school children in science class. Because of this exposure to vortex cannons, a viewer requested that the television program Hey! Spring of Trivia, create a gigantic vortex cannon and see if it could blow out candles the same way smaller ones do. This is a two-part entry. |
