Remember the Psion? Back when PDAs were a thing, the Psion was the best you could get. It was, effectively, a palm-top computer with a real qwerty keyboard. It didn’t have Bluetooth, it couldn’t ...

Current computer graphics are fairly well known and understood. But how did we get here? The evolution of computer graphics is intertwined with textual display, and it is difficult to consider the two ...

An early display terminal that drew lines (vectors) on the screen rather than pixels. Also called "stroke writers," vector displays were used in the early days of computer-aided design (CAD) but soon ...