| http://www.w3.org/ns/prov#value | - Nitrogen, after all, is slightly lighter than air (which is a mixture of mostly Nitrogen and Oxygen), so it would function as a lifting gas, providing even more lift than the Hydrogen could on it???s own (perhaps a few extra 100 lbs worth of passengers and cargo!) And since Nitrogen is not very reactive with Hydrogen (although they do naturally combine together to form Ammonia, they require high h
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