Site Details:  www.howstuffworks.com/helium.htm
Site Title in Open DirectoryHow a Helium Balloon Works
Snapshot (if available)Go to: How a Helium Balloon Works at www.howstuffworks.com/helium.htm
Site Description in Open Directory Explanation of lifting capabilities of helium, hydrogen and hot air balloons, from How Stuff Works.
Site CategorySite Category Science: Physics: Classical_Mechanics
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