“Be careful, though, as tying a bulkier knot with a chunky knit tie, for example, will make a far larger knot than a thin ...

A speaker mentioned the Conway knot during a discussion about the challenges of studying knot theory. “For example,” the speaker said, “we still don't know whether this eleven crossing knot is slice.” ...

One example is the reef knot (top) vs. the grief knot (bottom). One is considerably stronger than the other. What does this mean, exactly? According to researchers, people were consistently unable ...