Fun fact, all train clocks in Germany synchronize ever minute. That's why the second hand freezes every minute: its actually set to be a bit too fast, and then

Fun fact, all train clocks in Germany synchronize ever minute. That's why the second hand freezes every minute: its actually set to be a bit too fast, and then gets held at the top until the radio signal comes to let it continue. https://youtu.be/Er5VIgJqvtg https://youtu.be/Er5VIgJqvtg