An idea of Danny Hillis, computer programmer, engineer of supercomputers, author of Pattern on the Stone. It wil be the slowest computer in the world, keeping time in centuries, and ringing at the next millenium. It will be built to last, obviously, on very simply mechanics, but will also self-calibrate by solar measurements. It will also need to be wound by people, so it is an ongoing interaction, otherwise it dies. The chime, which will ring once every thousand years, is being designed by our very favorite Brian Eno. Check it out at