this post was submitted on 23 Feb 2025
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[โ€“] pancake@lemmygrad.ml 8 points 10 hours ago (2 children)

I'd say perfluorocarbons, like perfluorodecalin. Harmless and clear, but they have huge oxygen absorption capacity, so you'd surely be able to breathe even if you sank your face in it (probably not fun to do so tho).

[โ€“] tetris11@lemmy.ml 6 points 10 hours ago

Like waterboarding yourself whilst never dying

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