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Groups > sci.physics > #523354
| Newsgroups | sci.physics |
|---|---|
| From | Sam Wormley <swormley1@gmail.com> |
| Subject | What's the Best Way to Tie Your Shoes? Physics May Have the Answer. |
| Date | 2015-09-26 20:08 -0500 |
| Message-ID | <YcydnUMbIaAQ3JrLnZ2dnUU7-R2dnZ2d@giganews.com> (permalink) |
What's the Best Way to Tie Your Shoes? Physics May Have the Answer. > http://gizmodo.com/whats-the-best-way-to-tie-your-shoes-physics-may-have-1729896581 > The most common mistake when tying your shoelaces is accidentally > making a weaker granny knot instead of the stronger square knot. Now, > physics can help you tie the perfect knot that stays tight no matter > what. > > While it is well-known that any knot’s strength depends on its > configuration, nobody really understands specifically why this should > be the case. With a recent paper in Physical Review Letters, a team > of physicists has taken an important step forward in unraveling this > mystery, boiling it all down to a single equation that predicts the > strength and shape of a simple knot. > > Knots have long been a focus of study for mathematicians in the > abstract, but modeling their physical characteristics in the real > world is notoriously difficult, even with computer simulations. MIT > mechanical engineering researcher Khalid Jawed explained the problem > to Gizmodo. “If you tie a knot and study the shape with the naked > eye, the twists and turns are fairly complicated,” producing a mix of > interacting forces. Any mathematical model must account for all those > twists and turns, including such variables as tension, friction, and > the stiffness of the material — whether it be shoelaces, rope, > headphone wires, nylon, surgical thread, or even folding proteins and > DNA. -- sci.physics is an unmoderated newsgroup dedicated to the discussion of physics, news from the physics community, and physics-related social issues.
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What's the Best Way to Tie Your Shoes? Physics May Have the Answer. Sam Wormley <swormley1@gmail.com> - 2015-09-26 20:08 -0500 Re: What's the Best Way to Tie Your Shoes? Physics May Have the Answer. jimp@specsol.spam.sux.com - 2015-09-27 01:45 +0000 Re: What's the Best Way to Tie Your Shoes? Physics May Have the Answer. gilber34 <fafa@invalid.com> - 2015-09-26 21:09 -0500 Re: What's the Best Way to Tie Your Shoes? Physics May Have the Answer. Double-A <double-a3@hush.com> - 2015-09-27 13:15 -0700 Re: What's the Best Way to Tie Your Shoes? Physics May Have the Answer. "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-09-28 14:22 -0700
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