Last week I posted The most amazing “You Are Here” map you’ve ever seen, which featured a map that referred to itself. In the closing paragraph I referred to a book—Godel, Escher, Bach—on recursion. I’d read and reread the book in the 1980s and it stuck with me. Not sure if anything would come of it, I wrote the author, Douglas Hofstadter, with a link. Beyond writing back that he[…] Keep reading →