Steffen's Polyhedron(gregegan.net)

56 points by pavel_lishin 1 month ago | 5 comments

Borehole Oscillators(gregegan.net)

36 points by sohkamyung 1 year ago | 10 comments

Planes, Spheres and Pseudospheres(gregegan.net)

96 points by sohkamyung 3 years ago | 27 comments

The Flexipede Revisited(chilton-computing.org.uk)

68 points by timthorn 2 years ago | 2 comments

XOR(chiark.greenend.org.uk)

541 points by mariuz 1 year ago | 91 comments

Simon Tatham's long-form essay explaining the XOR operation in boolean logic and on integers, its properties, and applications such as cryptography, graphics, and swaps.

Two algorithms for randomly generating aperiodic tilings(chiark.greenend.org.uk)

171 points by fanf2 3 years ago | 31 comments