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 2.5 ...

It begins with the simplest of questions that, nevertheless, has no simple answer. In fact, the only way to solve it is to think about it differently than what otherwise seems obvious. If you haven’t ...