One of these 100-year-old self-winding clocks ... The synchronization solenoid then pulls the minute hand straight up to the 12 o’clock position. I choose to use a 5V pulse to give it extra ...

Rather than in minutes, the countdown of the Doomsday Clock, which symbolizes the time until Earth's destruction, could now start in a matter of only 100 seconds, according to scientists. “ ...