WHEN WAS the last time you used a calculator? Having enjoyed a brief heyday in the 1970s, these once miraculous-seeming gizmos now mostly languish in desk drawers. Keith Houston’s sprightly history ...

Before there were smartphones, there were personal digital assistants like the Palm Pilot, Handspring Visor, and Compaq/HP iPAQ line of devices. And before those, there were really basic PDAs, like ...

Clive Sinclair, who invented the Sinclair ZX Spectrum, an early personal computer, died of cancer Thursday at age 81, his family confirmed. Sinclair was an inventor with an impressive list of ...