That's Bill Stone's entire reason for existing these days - check these out: htt... | Hacker News

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benzofuran on July 17, 2017 | parent | context | favorite | on: Two days in an underwater cave running out of oxyg...

That's Bill Stone's entire reason for existing these days - check these out:

http://stoneaerospace.com/

https://en.wikipedia.org/wiki/DEPTHX

https://en.wikipedia.org/wiki/ENDURANCE

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