Where did it come from? Far from being simply a dramatic device, the countdown clock serves a definite purpose — it lets the technicians and the astronauts synchronize their actions during the ...

Good news, everyone! Now you can have an ongoing existential crisis, every second of your ever-dwindling life with this personal life countdown timer. Why would anyone want to be confronted by a ...

The men are told they will be dropping a bomb with an explosive force of 20,000 tonnes of TNT on a Japanese city. It will destroy everything within a three-mile radius of its impact point.