Interesting Fact - Science
Researchers have worked out how shoelaces come undone.
(Seemingly "knot failure" happens in a matter of seconds, and is triggered by a complex interaction of forces: These include the stomping of the foot, which gradually loosens the knot. The movement of the foot creates a whipping force which acts like hands tugging on the ends of the laces. Then as the tension in the knot eases and the free ends start to slide, a runaway effect takes hold whereby the knot suddenly unravels.
They offered some advice to those plagued by this issue: The square knot is less likely to come unravelled compared with a granny knot.
All in all it is a knotty problem.)
(Seemingly "knot failure" happens in a matter of seconds, and is triggered by a complex interaction of forces: These include the stomping of the foot, which gradually loosens the knot. The movement of the foot creates a whipping force which acts like hands tugging on the ends of the laces. Then as the tension in the knot eases and the free ends start to slide, a runaway effect takes hold whereby the knot suddenly unravels.
They offered some advice to those plagued by this issue: The square knot is less likely to come unravelled compared with a granny knot.
All in all it is a knotty problem.)
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