Site Details : www.howstuffworks.com/helium.htm : How a Helium Balloon Works

Site Details: www.howstuffworks.com/helium.htm

Site Title in Open Directory	How a Helium Balloon Works
Snapshot (if available)
Site Description in Open Directory	Explanation of lifting capabilities of helium, hydrogen and hot air balloons, from How Stuff Works.
Site Category	Science: Physics: Classical_Mechanics

Domain Details: www.howstuffworks.com

Help build the largest human-edited directory on the web.

Submit a Site - Open Directory Project - Become an Editor