Two friends race against the clock to solve math problems. Who will win?

The math world is losing its mind over the new solution to an Erdős problem. This is what AI found, how we missed it—and why ...

I own a digital 24-hour clock (i.e., a military time clock) that displays in HH:MM format. Each digit uses the standard seven-segment display in which seven lights toggle on or off to form numbers, as ...