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submitted 5 days ago* (last edited 5 days ago) by LaFinlandia@sopuli.xyz to c/ukraine@sopuli.xyz
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[-] CanadaPlus@lemmy.sdf.org 5 points 4 days ago

For this application hydrogen makes more sense.

[-] pelya@lemmy.world 2 points 4 days ago

Yeah I thought the same thing, but no. People who actually launch weather balloons swear off hydrogen like a plague, because apparently it explodes while you are filling the balloon.

[-] CanadaPlus@lemmy.sdf.org 4 points 4 days ago* (last edited 3 days ago)

That makes sense, although in wartime it would matter less. You can also generate it fairly portably with ferrosilicon and acid.

It's worth mentioning a football field or whatever of Mylar won't be free. Big balloons retail for hundreds on their own according to a quick search.

this post was submitted on 27 May 2026
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