clock-a-doodle-doo: time telling magna doodle hack
...Magna Doodle and an Etch-a-Sketch
Using a modified Magna Doodle as the basis for their display, the Clock-a-Doodle-Doo is the brainchild of a recent UCLA mechanical engineering class
The clock uses a XY plotter-like mechanism to draw the current time by neatly arranging the magnetic particles with a mechanical pen. When its ready to change...
