Thursday, September 30, 2010

Periodic Table of Videos - Helium


Helium, because it is the smallest gas, is used in areas such as vacuums to detect holes and leaks because it can detect the smallest holes. It is also now used for blimps instead of hydrogen because of the Hindenburg incident. Also, even though helium and hydrogen are similar in many ways such as weight and use there is one major difference, this is that helium in not flammable were as hydrogen is.

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