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Video of a spinning, patterned paper disc. At a certain speed the sets of spokes appear to slow and rotate in opposite directions. The wagon-wheel effect (alternatively called stagecoach-wheel effect) is an optical illusion in which a spoked wheel appears to rotate differently from its true rotation. The wheel can appear to rotate more slowly ...
Rota Fortunae. From an edition of Boccaccio's De Casibus Virorum Illustrium showing Lady Fortune spinning her wheel. In medieval and ancient philosophy, the Wheel of Fortune or Rota Fortunae is a symbol of the capricious nature of Fate. The wheel belongs to the goddess Fortuna ( Greek equivalent: Tyche) who spins it at random, changing the ...
Wheelspin. A wheelspin occurs when the force delivered to the tire tread exceeds that of available tread-to-surface friction and one or more tires lose traction. This leads the wheels to "spin" and causes the driver to lose control over the tires that no longer have grip on the road surface. Wheelspin can also be done intentionally such as in ...
In mechanical or automotive engineering, a freewheel or overrunning clutch is a device in a transmission that disengages the driveshaft from the driven shaft when the driven shaft rotates faster than the driveshaft. An overdrive is sometimes mistakenly called a freewheel, but is otherwise unrelated. The condition of a driven shaft spinning ...
The games are all similar, incorporating a wheel, puzzle display board, play money and various accessories like Free Spin tokens. Milton Bradley released the first board game in 1975. In addition to all the supplies mentioned above, the game included 20 prize cards to simulate the "shopping" prizes of the show, with prizes ranging in value from ...
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There exist two distinct modes of locomotion using rotation: first, simple rolling; and second, the use of wheels or propellers, which spin on an axle or shaft, relative to a fixed body. While many creatures employ the former mode, the latter is restricted to microscopic, single-celled organisms. [2] : 396.
Roulette (named after the French word meaning "little wheel") is a casino game which was likely developed from the Italian game Biribi. In the game, a player may choose to place a bet on a single number, various groupings of numbers, the color red or black, whether the number is odd or even, or if the number is high or low.