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Sinister-Mephisto t1_iybznnv wrote

Reply to comment by SomeDEGuy in Rolls-Royce successfully tests hydrogen-powered jet engine by je97

Couldn’t it be stored as a liquid ?

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EmperorArthur t1_iyedb0t wrote

Unfortunately not. Hydrogen is so tiny it has to be stupidly cold or under insane pressure to be a liquid.

We do it for rockets, but even through all the insulation ice still forms. That killed seven people...

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