Rats have up to 70 whiskers – that vary in size, length and shape. Rat whiskers are called whisker specialists, as they have super-sensitive, movable hairs that are used to explore and sense their surroundings. Rat whiskers can be described by a unassuming mathematical equation known as the Euler spiral – spiral patterns are found throughout the natural world. The size and natural shape of each whisker can have a powerfully effect the way it distorts and the palpable signals that reach the follicle. This means that being able to describe the whisker’s shape with a mathematical equation helps to understand the signals that the follicle receives.
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