Tear-free hair brushing? All you need is math: Researchers develop a mathematical understanding of detangling that could be used for textile manufacturing, robotic hairdressers - Science Daily

Scientists explore the mathematics of combing and explain why the brushing technique used by so many is the most effective method to detangle a bundle of fibers.

As anyone who has ever had to brush long hair knows, knots are a nightmare. But with enough experience, most learn the tricks of detangling with the least amount of pain -- start at the bottom, work … [+2591 chars]

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