Geologic Core Sample xkcd.com/3171/
729 reposts4.6K likes
Geologic Core Sample xkcd.com/3171/
729 reposts4.6K likes
For those of you with nerds & geeks in your life looking for Xmas presents, I recommend bookshop.org/p/books/thin... and bookshop.org/p/books/what... NOT PAID TO SAY THIS xkcd.com/747/
Title text: "If you drill at the right angle and time things perfectly, your core sample can include a section of a rival team's coring equipment." Alt text: https://explainxkcd.com/3171#Transcript