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How do airplane toilets work?

2 domofutu 3 7/8/2025, 9:48:19 PM popsci.com ↗

Comments (3)

fracus · 5h ago

I'm curious why they don't just flush the waste outside the plane at altitude because I thought the best way to get rid of toxic waste is dilution.

bediger4000 · 5h ago

https://en.m.wikipedia.org/wiki/Blue_ice_(aviation)

fracus · 1h ago

I don't know why I assumed it would turn into a spray. I didn't consider it would freeze at altitude.