Featured in the July 2009 issue of Nuts and Volts Magazine, the Arch Ball Clock uses two stepper motors to position the two inverted arches. One arch is for hours and another for minutes. Each arch has a steel ball bearing which is allowed to roll freely on the arch. As the motors turn the arch the ball bearing rolls to the lowest point on the arch - displaying the new time.
One of the oldest games to date, dating back to ancient Egypt. And it’s still used today for teaching basic combinatorial game theory. As you get older it looses its appeal since the result will always be a tie unless someone makes an obvious mistake. But this water based version of the game could make it fun again just because of the neat visuals.
Have you turned a toaster into an SMT reflow oven or a microwave into a darkroom timer? If so, then this is your opportunity to showcase your ingenuity and share that genius with others who will appreciate your creativity and MacGyver-like qualities.
“Repurpose” A mini documentary by Jack Oatmon is centered around an organization called Foulab, a group of hackers in Montreal that get together to collaborate and recycle used electronics.
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