You've probably seen them at airports, the stock exchange, on buses and now you can purchase a modern version of electromagnetic dot matrix display for your home. A ...

There’s just something about electro-mechanical displays that enthralls most people when they see them; and while you’ll be hard pressed to find a split-flap display for cheap, you can still easily ...

The Parking Disk, which allows time-restricted parking in regulated areas, is often made of plastic, cardboard, or other materials. Recently, a new digital model of the parking disk has appeared with ...

Flip-disk displays, which use a disk painted white on one side and black on the other to display images, are often used in baseball scoreboards and highway signs. Someone has created their own ...

Before flat screen technologies took over, we associate TV with the CRT. But there were other display technologies that worked, they just weren’t as practical. One scheme was the Nipkow disk, and ...