Tupper's self-referential formula is a formula that, when graphed in two dimensions at a specific location in the plane, can be "programmed" to visually reproduce the formula itself.
« […] every day they picked a random blog-post somewhere on the Internet and used it as a discussion board for the day »
« A cg artist must make at least one Nyan Cat video! »
/via https://www.facebook.com/permalink.php?story_fbid=10203083726042123&id=157189304366315&stream_ref=10
The workshop Cryptography for Postcards introduces the basic principles of cryptography and cryptoanalysis with collaboratively created handmade ciphers and postcards.
Correspondance between pitch constellation and color wheel.