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[–] 27 points 9 months ago (4 children)

Can someone explain this? I understand it but I want to make sure my cat does too

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  • [–] [S] 13 points 9 months ago (1 child)

    https://en.wikipedia.org/wiki/Empirical_formula

    In chemistry, the empirical formula of a chemical compound is the simplest whole number ratio of atoms present in a compound

    In this comic, the "compound" is the entire observable universe. So it's the simplest whole number ratio of every atom in the observable universe

    A more in depth explanation for this comic (and all other xkcd comics) is here: https://www.explainxkcd.com/wiki/index.php/3200:_Chemical_Formula

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