Commercial fishermen use lines, or ropes, for a variety of purposes. Boat anchors, nets and buoys all need to be secured and safely managed. A working knowledge of knots is a necessity. If you open a ...

There’s an old saying: “If you don’t know a knot, tie a lot.” It’s funny advice, really. Outdoor sports enthusiasts should know lots of knots, but we should know how to tie them correctly every time.

From bow ties and shoelaces to sailing boats and climbing ropes, knots are not only very useful for our daily lives, but for mathematics too. Researchers have reported a new mathematical operation to ...