3 ms·
We can theoretically do vacuum zeppelins, which is of course lighter than helium and unlimited tho it has its own problems too.
by fatsdomino001 5y ago
We can theoretically do vacuum zeppelins, which is of course lighter than helium and unlimited tho it has its own problems too.
- bentcorner 5y agoI was curious about this and it looks like it's currently impossible to have a material that is both strong enough and light enough to support a vacuum balloon: https://physics.stackexchange.com/questions/71027/is-it-possible-to-create-a-vacuum-ballon-using-concentric-partially-pressured-sp https://physics.stackexchange.com/questions/71027/is-it-poss...