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[-] Kolanaki@yiffit.net 14 points 11 months ago

Why not use helium instead of hydrogen, and also maybe don't coat the skin in thermite? 🤷‍♂️

[-] Wirlocke 11 points 11 months ago

To add on the point of helium being expensive and valuable, it's also extremely important for supercooling MRI's and supercomputers.

I'd rather have more MRI's than zeppelins.

[-] mkwt@lemmy.world 5 points 11 months ago

So MRI helium is scarce because the required purity is very high to get the 4 Kelvin superfluid behavior. Helium for filling balloons (of the party type) is a lot, lot cheaper. I don't know exactly how that translates into airship envelope helium, but you can't take balloon-grade helium and put it in your MRI machine.

[-] Wirlocke 2 points 11 months ago

Huh, Today I Learn

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this post was submitted on 20 May 2024
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