It’s a problem that sounds simple, but the best minds in mathematics have puzzled over it for generations: A salesman wants to hawk his wares in several cities and return home when he’s done. If he’s ...

Most people who use navigation apps, be they Google Maps, Waze, or Apple Maps, are typically interested in the fastest route. It doesn’t matter how long it is as long as it's the fastest way to arrive ...

Nathan Klein receives funding from the National Science Foundation. Computers are good at answering questions. What’s the shortest route from my house to Area 51? Is 8,675,309 a prime number? How many ...