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Q&A Could a microbe plausibly generate lift gas for manned balloon flight?

So the first question. If the microbe doesn't have to exist on Earth already, then there is no reason for it to not be possible. Just say that this super microbe does exist, and when combined with ...

posted 7y ago by AndyD273‭

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#1: Attribution notice removed by user avatar System‭ · 2021-03-30T23:53:19Z (over 3 years ago)
Source: https://worldbuilding.stackexchange.com/a/103757
License name: CC BY-SA 3.0
License URL: https://creativecommons.org/licenses/by-sa/3.0/