[Hans Andersson] is one of them, and has made a name for himself with an impressive portfolio of electromechanical clocks. His latest work, called the Time Slider, is every bit as captivating as ...

A clock with hands (an analogue clock) shows us the numbers 1-12. There are 24 hours in one day, so we measure time by splitting the day into two halves. The first 12 hours of the day, from ...

Here’s a design for a split-flap clock that doesn’t do it the usual ... split-flaps which flutter away to update the display as time passes. An array of vertically-mounted flaps creates ...