My primality testing code is faster than Sir Roger Penrose's(blog.jgc.org)109 points by jgrahamc 2 years ago | 24 comments
The Acme Klein Bottle (From Cliff Stoll and Family)(blog.jgc.org)62 points by jgrahamc 2 years ago | 12 comments
Two ways to use an LED as a light sensor with Arduino(blog.jgc.org)134 points by jgrahamc 2 years ago | 61 comments
The eerie interface of man and machine (Life Magazine, October 1967)(blog.jgc.org)30 points by Brajeshwar 4 months ago | 1 comments