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| Gas Tech- $ 3.79 In this explosive program, Modern Marvels follows natural gas from wellhead to stove top and traces its use from third century BC China to todays modern appliances. Find out how hydrogen - the most plentiful gas in the universe - may also prove to be the worlds most powerful. Learn about the cryogenic world of industrial gases - what they do and where they come from - during a visit to the British Oxygen Companys Braddock Air Separation Plant, where millions of tons of oxygen and nitrogen are frozen. And finally, discover why the U.S. government is storing 36 billion cubic feet of helium at the Bush Dome Helium Reserve in Texas. |