[Peter Lehnér] has designed a brilliant 7-segment flip-segment ... You may be most familiar with flip-dot displays, basically a dot-matrix grid of physical pixels that are black on one side ...

And we end up seeing all kinds of display techniques being used to show time. For the simplest of builds, 7-segment display modules usually get dug up from the parts bin. If you have a bunch of ...

seven-segment display (Image courtesy of LXD, Inc.) In their natural state, liquid crystals line up with the orientation "rubbed" into the front and rear glass panels. The rubbings are microscopic ...