4 ms·further reading: xkcd's "A mole of moles" https://what-if.xkcd.com/4/ https://what-if.xkcd.com/4/by yshui 2y agofurther reading: xkcd's "A mole of moles" https://what-if.xkcd.com/4/ https://what-if.xkcd.com/4/