Hydrogen has about half the density of helium. The fire risk is notoriously unpopular, however.
Wide-spread adoption of airships would almost certainly have to use hydrogen.
Comment on The world's largest aircraft breaks cover in Silicon Valley
Ashyr@sh.itjust.works 10 months agoHelium isn’t exactly an abundant resource either, is it? I’m all for a future with a sky dotted with airships, but how could you possibly scale this up?
Fermion@feddit.nl 10 months ago
Maalus@lemmy.world 10 months ago
Yeah, it’s expensive as shit.
Gregorech@lemmy.world 10 months ago
I thought it was an abundant resource just not here, awkward places like the moon and sun.
Eezyville@sh.itjust.works 10 months ago
Man I can’t wait till we’re able to harvest helium from the Sun! That means that we made to the big leagues.
Gregorech@lemmy.world 10 months ago
Dyson sphere or ring world which do like better?
Eezyville@sh.itjust.works 10 months ago
Dyson Sphere. Makes more sense to me.