Slide-Rule Clock Will Match Your Mathcamp Trophy

This clock, made by Greg Blonder from a Lego Mindstorms set, is an homage to the slide rule. It's super simple to read; the upper rule tells the hours and the lower tells the minutes. They move independently, and the stationary window shows the time. This update to a retro gadget is kind of hypnotizing to watch, even… » 8/08/08 8:00pm 8/08/08 8:00pm