brainwagon

I’ve also maintained a bit of an amateur interest in cryptography. While I understand a bit about modern ciphers such as DES, IDEAL and RC4, I find it more fun to play with older cryptosystems. When Simon Singh published his book The Code Book, I decided to work through the Cipher Challenge at the back. [...]

I’ve always been interested in robotics (particularly of the amateur variety) and in the past few days I’ve discovered some excellent links. Slashdot ran an article recently that highlighted the Legway, a lego version of the Segway, built using the RCX controller from a Lego Mindstorms kit. It’s an awesome achievement, and very, very spiffy. [...]