Not that the present situation and the abundance of free time that many are experiencing has anything to do with [Leo Fernekes] all-transistor digital clock ... from some modern light bulbs.
Before LEDs became cheap enough to be ubiquitous, flip-card displays were about the only way to get a digital clock. These entirely electromechanical devices had their own charm, and they have a ...
Every morning, modern sleepers the world over are roused by the unwelcome sound of their smartphone alarm, but the best alarm clocks present an alternative vision for your morning wake up routine: ...