On a clock, what we read as 10, 11 and 12 are actually three numerical figures comprised of two numbers each. In other words, while the hours of a clock are depicted as being 1 through 12, the ...

Here’s a design for a split-flap clock that doesn’t do it the usual way. Instead of the flaps showing numbers , Klapklok has a bit more in common with flip-dot displays. Klapklok updates every ...