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A comment on Hydrogen’s moment is here at last?. Parent comment

Re:Hydrogen’s moment is here at last? by fphhotchips on Friday October 08, 2021 @09:51PM (#28806304)
Depends on the environment that you're in. In an enclosed space: yeah. In open air, unlikely, because the density difference means it rises (and disperses) quickly.
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Re:Hydrogen’s moment is here at last? by pfdietz on Saturday October 09, 2021 @07:41AM (#28809013)
In open air the halflife of hydrogen to oxidation is just a few years, which is much faster than the timescale for hydrogen to be convected up to the homopause.
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