Comprising a microprocessor, an LCD, a 32.768-kHz crystal, and little else, the basic countdown-timer circuit in Figure 1 operates from a commonly available CR2032 lithium-coin-cell battery. Based on ...

NASA's new countdown clock for space missions is a lot like a football stadium display and way more advanced than the old analog one it's replacing. Freelance writer Amanda C. Kooser covers gadgets ...

First Night Hartford, the city’s annual New Year’s Eve celebration in Bushnell Park featuring fireworks, music and food, has a new attraction this year: one of the largest countdown displays in the ...