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(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
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I'm super skeptical of this.
You don't get oxygen toxicity, even breathing pure oxygen, unless you're under significantly more pressure than atmospheric pressure...
So either this graphic is wrong/misleading, or the atmosphere was more than double current pressure for most of earth's history... Which I'm pretty skeptical of.