This video shows how two basic knots can quickly and effectively solve a simple, real-world problem. Learn when to use each ...

“I didn’t allow myself to work on it during the day,” she said, “because I didn’t consider it to be real math. I thought it was, like, my homework.” The question asked whether the Conway knot—a snarl ...

When faced with an unsolvable problem, you are said to face a “Gordian knot,” a rope that is tied so intricately or tangled so completely that it is impossible to untie. If you dive a little deeper ...

The first part of this article looked at trying to solve problems that appear to be impossible. The old saying “When all you have is a hammer everything starts to look like a nail” can be turned ...