The experiment proved that the earphone is not easy to knot in the bag
The famous physicists Douglas Smith and Dorian Raymer have proved through experiments that a string will have a 50 percent chance of knotting after a quick shake, and the knotting factor is directly related to the length of the line. And if the length of the line is within half a meter, it will not be tied, but if you add more than 1.5 meters of the headset cable to the box, it will not work.
Experiments have found that the harder the wire, the less likely it is to knot, which is why the recent generations of Apple laptop power cords are not so easily entangled. Using a small container or a cloth bag to hold the headset, a small space can bind the longer headphone cord, the friction of the cloth bag is larger, and the frequency of the wire rope swaying is reduced, thereby preventing the cord from moving up and down and knotting. In addition, the headphone cord can be prevented from tying at a faster speed and in the same direction because the headphone cord is subjected to centrifugal force and is fixed at the edge of the space.
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