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2. Wagon-wheel effect - Wikipedia

   en.wikipedia.org/wiki/Wagon-wheel_effect

   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 than the true rotation, it can appear stationary, or it can appear to rotate in the opposite direction from the true rotation ...

3. History of perpetual motion machines - Wikipedia

   en.wikipedia.org/wiki/History_of_perpetual...

   Early designs of perpetual motion machines were done by Indian mathematician–astronomer Bhaskara II, who described a wheel (Bhāskara's wheel) that he claimed would run forever. [2] A drawing of a perpetual motion machine appeared in the sketchbook of Villard de Honnecourt, a 13th-century French master mason and architect.

4. Lottery wheeling - Wikipedia

   en.wikipedia.org/wiki/Lottery_wheeling

   Lottery Wheels were introduced in the 1970s and have become a popular method of playing. Several "spin off" methods have since become popular, with mixed acceptance. From a mathematical standpoint 'wheeling' has no impact on the expected value of any given ticket. However, playing a lottery wheel impact the win distribution over time.

5. Hand spinning - Wikipedia

   en.wikipedia.org/wiki/Hand_spinning

   Fibers to be spun are bound to a distaff held in her left hand. Spinning is an ancient textile art in which plant, animal or synthetic fibres are drawn out and twisted together to form yarn. For thousands of years, fibre was spun by hand using simple tools, the spindle and distaff.

6. Artificial gravity - Wikipedia

   en.wikipedia.org/wiki/Artificial_gravity

   Artificial gravity is the creation of an inertial force that mimics the effects of a gravitational force, usually by rotation. [1] Artificial gravity, or rotational gravity, is thus the appearance of a centrifugal force in a rotating frame of reference (the transmission of centripetal acceleration via normal force in the non-rotating frame of ...

7. Spin the Wheel (game show) - Wikipedia

   en.wikipedia.org/wiki/Spin_the_Wheel_(game_show)

   Spin the Wheel is an American trivia and strategy game show that premiered on Fox on June 20, 2019. [1] Hosted by actor and comedian Dax Shepard, the show features a 40 feet (12 m) high vertical roulette wheel divided into 48 wedges that can award money to contestants or partially/completely wipe out their winnings. [2]

8. Spinner (wheel) - Wikipedia

   en.wikipedia.org/wiki/Spinner_(wheel)

   Spinner (wheel) The spinner on automobile wheels historically refers to knock-off hub nuts or center caps. They may be the actual, or intended to simulate, the design used on antique vehicles or vintage sports cars. A "spinner wheel" in contemporary usage is a type of hubcap or inner wheel ornament, that spins independently inside of a wheel ...

9. Pelton wheel - Wikipedia

   en.wikipedia.org/wiki/Pelton_wheel

   The Pelton wheel or Pelton Turbine is an impulse -type water turbine invented by American inventor Lester Allan Pelton in the 1870s. [ 1 ][ 2 ] The Pelton wheel extracts energy from the impulse of moving water, as opposed to water's dead weight like the traditional overshot water wheel. Many earlier variations of impulse turbines existed, but ...