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A comment on A recent paper proposes to bring zeppelins back. Parent comment

Re:A recent paper proposes to bring zeppelins back by reeeeee on Friday August 23, 2019 @04:37AM (#20775577)
This topic has been discussed for ages, but no feasible solution has been found as of yet.[1]

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

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