Joined: Jan. 2006
A few months ago DT went on a jag about Field Programmable Gate Arrays (FPGAs). Apparently, he invented them or at least was using them when the world was in short pants or one viciously attacked him at puberty or something.
I mentioned an article I'd seen a few years ago in New Scientist about people who caused a FPGA to evolve into a tone-detecting IC which would cause one pin to go high when one tone was fed into it and a second pin to go high when it received a second tone.
Here's an article on it:
Thanks and a tip of the hat to Dvorak Unlimited at http://www.dvorak.org/blog/