Comment Re:Done 40 years ago (Score 2) 356
Except that helium molecules are so small, they slowly leak out of pretty much any 'sealed' container?
Doesn't something have to get in to fill the void? Otherwise there will be a vacuum left inside...
Except that helium molecules are so small, they slowly leak out of pretty much any 'sealed' container?
Doesn't something have to get in to fill the void? Otherwise there will be a vacuum left inside...
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