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submitted 10 months ago by L4s@lemmy.world to c/technology@lemmy.world

The world's largest aircraft breaks cover in Silicon Valley::As dawn breaks over Silicon Valley, the world is getting its first look at Pathfinder 1, a prototype electric airship that its maker LTA Research hopes

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[-] Cethin@lemmy.zip 9 points 10 months ago

Hydrogen would make more sense, but people are scared of it. Hydrogen craft are actually pretty safe. I think the British tried to use incendiary rounds to ignite hydrogen craft but there was too little oxygen so they wouldn't burn. They switched to a mix of incendiary and regular round to create holes for airflow before igniting.

[-] Jamil@lemm.ee 3 points 10 months ago

Hydrogen makes more sense, but it's still derived from methane. Not getting away from fossil fuels. And methane is a potent green house gas, far more than carbon dioxide. Any industrial uses for methane will surely have accidental emissions.

[-] Cethin@lemmy.zip 4 points 10 months ago

Well, it's currently generated using methane because it's the most efficient option available. In a world with 100% clean energy with extra capacity available, electrical decomposition of water gets you hydrogen (and a little oxygen to use for something else if you want).

this post was submitted on 09 Nov 2023
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