Half a croissant, on a plate, with a sign in front of it saying '50c'
h a l f b a k e r y
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Bernoulli Halloween decoration

 A Halloween decoration which makes use of the Bernoulli principle
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I'm sure most of you have seen science exhibits where the Bernoulli principle is used to make a ball levitate in mid-air. Has anyone tried making a Halloween decoration based on the idea? It'd be pretty cool to attach some streamers to a white ball, paint on some eyes, and have a levitating ghost.

If you had the air nozzle moving or adjust its air flow, you could have the ghost also move around.

—NeuronExMachina, Oct 26 2005

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