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I am fairly certain QuillcrestFalconer is not the OP of the tweet.
There was some discussion about it in this thread yesterday.
spoiler
Looking into HealthRanger he claims in his bio he's a mass spectrometry food lab director, so something like detecting contaminants in food production
Oh I see, thank you. I am very interested in why the helium is used up by this though. I assume it has to be released into the atmosphere at some point, but I don't know for sure.
There is no capture of the evaporation of He. There's not really a reason it couldn't be captured and reused - it just goes out a pressure-release value so the container doesn't turn into a missile, I suppose. But given the difficulties of storing Helium and the small quantities each individual lab uses at a time, the logistics of recovering the He probably aren't worth it at the individual lab level under normal circumstances. Also, if the capture method got messed up and it was surreptitiously blocking the pressure valve, the resulting launch has no problem traveling through multiple floors of a building and launching into the sky.
The reason is that helium capture and storage is really hard and inefficient, helium is a tiny atom that is good at leaking out of stuff. Why don't you have a diaper that captures your farts and generates power by burning the methane? Economy of scale or lack thereof is a real reason for why every lab doesn't have a capture storage recycle system
Is this practical at larger scales? Someplace like TSMC?