this post was submitted on 16 Aug 2024
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[–] Wilzax@lemmy.world 18 points 11 months ago (9 children)

Because they definitely had a good supply of helium and/or hydrogen laying around to fill these balloons with, when levers and wheels were too advanced.

Right.

[–] gmtom@lemmy.world 3 points 11 months ago (6 children)

You know you can make hydrogen out of water right? You just need high voltage electricity.

[–] HeckGazer@programming.dev 1 points 11 months ago

You need high current, not voltage. Electrolysis of water starts somewhere around 1.5V

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