this post was submitted on 19 Oct 2026
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Stratospheric airship flew from US to Japan and back (arstechnica.com)
submitted 4 hours ago by derrickoswald@sh.itjust.works to c/technology@lemmy.world
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It seems with an unmanned airship they should be using hydrogen for the ~8% increased payload capacity.

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[–] FaceDeer@fedia.io 4 points 1 hour ago

Not just to boost the payload, but to reduce the wastage of literally irreplaceable helium as well. It's a completely non-renewable resource and there are other applications that there are no substitutes for (such as coolant).