Child joy. The spinning top is one of the favorite toys of kids. Some designs allow you to exhibit astonishing physical effects. The following illustrations show three of the top. The first of them is horizontal, it can be in two variants. Option And unwinds the palm of the hand, and the second (B) — thread (Fig.1); in both cases, the disk begins to rotate around the vertical axis. If the plane is to glue strips of colored paper, respectively, during rotation of the gyroscope can be observed, for example like colorful stripes “disappear” and the paper appears white, and black-and-white figures are converted into colored rings.
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