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Helium balloons

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Joe Bon | 01:38 Tue 01st Aug 2006 | Science
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How many helium filled balloons would it take to lift eight pounds of weight?
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Avatar Image Clanad
In regulated circumstances, one liter of helium can lift about a gram; There are 453 grams in a pound, 8 pounds would be 3,624 grams. A standard balloon about 12 inches in diameter holds about 14 liters of helium and can lift lift 14 grams. Therefore, it would take 258.857143 balloons to lift your 8 pounds... voila!
02:09 Tue 01st Aug 2006
Avatar Image Loosehead
For info On Braniac last week they needed the equivalent of 32070 balloons to lift John Tickle!
11:25 Tue 01st Aug 2006
Avatar Image whowhatwhy
check this out!

http://www.clusterballoon.org/

How much does a tank of helium cost anyway, and can anyone buy one?!
16:09 Tue 01st Aug 2006

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