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xkcd #2950: Situation (xkcd.com)

submitted 1 year ago by schnurrito@discuss.tchncs.de to c/xkcd@lemmy.world

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We're right under the flight path for the scheduled orbital launch, but don't worry--it's too cold out for the rockets to operate safely, so I'm sure they'll postpone.

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[–] AceBonobo@lemmy.world 17 points 1 year ago* (last edited 1 year ago) (7 children)

Surprisingly, if you google "hydrogen airship revival", you will find that there are many companies trying to build airships.

Since the non-flammable helium has less lifting capacity and is non-renewable and expensive, they are trying to use hydrogen safely. Good luck...

[–] ryannathans@aussie.zone 12 points 1 year ago* (last edited 1 year ago)

The problem wasn't hydrogen, it was the thermite the hull was made out of. Helium blimps blew up the same way soon after

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