> So, the physical knots you might think of being useful in various situations have only somewhat of a relationship to mathematical knot theory. No, you can ma

> So, the physical knots you might think of being useful in various situations have only somewhat of a relationship to mathematical knot theory. No, you can map real world knots to mathematical knots. It is explained in the video, with common examples. You can also map the other way around, but there's way more mathematical knots (prime and non-prime) than people could ever need.