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 ...

But LEDs are far from the only way to run a seven-segment display — check out this mechanical seven-segment display for proof of that. We’ve been seeing a lot of mechanical seven-segment ...

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 ...