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Comment Re:Cruise ship (Score 1) 81

On top of that, helium becomes fouled over time with impurities that migrate through whatever you're using to contain it. So you have to periodically pump out the helium, clean it, and pump it back in, which is a nontrivial task for something that large.

Solution: Hydrogen!

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Somebody ought to cross ball point pens with coat hangers so that the pens will multiply instead of disappear.

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