Sure would be a lot easier/cheaper to maintain a near-vacuum when that is exactl... | Hacker News

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		nicktelford on Oct 14, 2016 \| parent \| context \| favorite \| on: Hyperloop One Raises $50M, Hires Former Uber CFO Sure would be a lot easier/cheaper to maintain a near-vacuum when that is exactly what the atmosphere is!

m0skit0 on Oct 14, 2016 [–]

Mars atmosphere is far from being near-vacuum. Also if you have to extract air, the difference between how much air you have to extract is pretty much irrelevant.

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