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Magna-Tiles are a construction toy system. The pieces are plastic tiles of varying shapes that snap together magnetically , allowing users to build various geometric structures. Magna-Tiles were originally developed in Japan , where they were sold under the name Pythagoras .
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Magnext is a magnetic construction toy sold by MEGA Brands, consisting of plastic building pieces with embedded neodymium magnets, steel bearing balls, and a variety of additional parts which can be connected together to form anything from skeletal geometric shapes and structures to more robust and functional toys.
Note that all of the colored tiles are congruent. The Voderberg tiling is a mathematical spiral tiling , invented in 1936 by mathematician Heinz Voderberg [ de ] (1911–1945). [ 1 ] Karl August Reinhardt asked the question of whether there is a tile such that two copies can completely enclose a third copy.
[4] [5] A popular example of a magnet motor, although without rotating axis, was put forward by John Wilkins in 1670: A ramp with a magnet at the top, which pulled a metal ball up the ramp. Near the magnet was a small hole that was supposed to allow the ball to drop under the ramp and return to the bottom, where a flap allowed it to return to ...
Magnetic levitation can be stabilised using different techniques; here rotation (spin) is used. Magnetic levitation (maglev) or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic force is used to counteract the effects of the gravitational force and any other forces. [2]
A close-up view of an Alberich tile, illustrating patterns of multiple holes with different diameters. The technology of anechoic tiles was developed by the Kriegsmarine during the Second World War, codenamed Alberich after the invisible guardian dwarf of the Rhinegold treasure from Richard Wagner's Der Ring des Nibelungen music dramas. The ...
Magnetic field (green) induced by a current-carrying wire winding (red) in a magnetic circuit consisting of an iron core C forming a closed loop with two air gaps G in it. In an analogy to an electric circuit, the winding acts analogously to an electric battery, providing the magnetizing field , the core pieces act like wires, and the gaps G act like resistors.