triangle on Technabob...

When not telling time, these clever clocks look like a triangular hunk of wood. But switch them on, and a bright red 7-segment LED display hidden behind the thin wood veneer reveals the current time.

These aren’t the first clocks I’ve seen that pull off this illusion, but what makes…

For just a few brief moments each day, this clock looks like an ordinary cube, but most of the time it transforms to form star-like geometric patterns.

The Time Cube carves off one corner of its 6-sided box to form a series of layered triangles which rotate to tell the…