For most people, the fastest way to check the time is by looking at their phone's lock screen. After all, you always have your phone with you, and all it takes is just one quick glance. The problem, ...

From time to time, you might notice a shot of a clock in a movie. In a film like "Back to the Future," they're key to the plot; lightning strikes the clock tower at exactly 10:04 p.m. But often, ...