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Q&A Rigorous Science Meta
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Q&A Skysteading: How to build a flying city

I am building a city in the sky; it floats thanks to hot air balloons and hydrogen. The main issue I have is how to make it grow, as this is not some kind of giant structure to start, it is a small...

4 answers  ·  posted 5y ago by SilverCookies‭  ·  last activity 5y ago by SilverCookies‭

Question reality-check physics construction