What Exactly Makes One Knot Better Than Another Has Not Been Well-Understood – Until Now

What Exactly Makes One Knot Better Than Another Has Not Been Well-Understood – Until Now

by Jennifer Chu (Mass. Institute of Technology), SciTechDaily

How Strong Is Your Knot?

With help from spaghetti and color-changing fibers, a new mathematical model predicts a knot’s stability.

In sailing, rock climbing, construction, and any activity requiring the securing of ropes, certain knots are known to be stronger than others. Any seasoned sailor knows, for instance, that one type of knot will secure a sheet to a headsail, while another is better for hitching a boat to a piling. 

But what exactly makes one knot more stable than another has not been well-understood, until now. 

MIT mathematicians and engineers have developed a mathematical model that predicts how stable a knot is, based on several key properties, including the number of crossings involved and the direction in which the rope segments twist as the knot is pulled tight. 

Read the full article here…

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