Alt text:
If you find an ash deposition layer from a year in which an eruption destroyed an island that had Camellia sinensis growing on it, you can make a Gone Island Ice_τ.
Alt text:
If you find an ash deposition layer from a year in which an eruption destroyed an island that had Camellia sinensis growing on it, you can make a Gone Island Ice_τ.
It is absurdly funny to me that xkcd has gotten so hyperspecific and reached such a large audience that there is now a website dedicated to explaining them