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 ...

We’ve seen a variety of oddball 7-segment displays in the past, but this one uses a new material: both for the display and the mechanical mechanism that drives it; cardboard. Yup, the whole ...

The Numitron is simply a seven-segment display built from light ... Well, [Alec] has a bone to pick with this technology. The displays were quite dim, poorly assembled, and not very pleasing ...