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  2. Babolat - Wikipedia

    en.wikipedia.org/wiki/Babolat

    Babolat's current tennis racquet line-up includes Pure Drive, a power-oriented racquet used by players such as Carlos Moyá, Kim Clijsters, Andy Roddick and Li Na, Pure Aero (formerly AeroPro Drive), known for its spin potential and usage by Rafael Nadal, Caroline Wozniacki and Carlos Alcaraz, and Pure Strike, a control-oriented racquet used by players such as Dominic Thiem.

  3. Cotton-spinning machinery - Wikipedia

    en.wikipedia.org/wiki/Cotton-spinning_machinery

    Until the 1740s all spinning was done by hand using a spinning wheel. The state of the art spinning wheel in England was known as the Jersey wheel however an alternative wheel, the Saxony wheel was a double band treadle spinning wheel where the spindle rotated faster than the traveller in a ratio of 8:6, drawing on both was done by the spinners ...

  4. Fitness proportionate selection - Wikipedia

    en.wikipedia.org/wiki/Fitness_proportionate...

    Usually a proportion of the wheel is assigned to each of the possible selections based on their fitness value. This could be achieved by dividing the fitness of a selection by the total fitness of all the selections, thereby normalizing them to 1. Then a random selection is made similar to how the roulette wheel is rotated.

  5. Spinner (wheel) - Wikipedia

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

    Two bladed spinner on a wire wheel 1967 AMC simulated wire wheel cover with spinner. The spinner or "knock-off" originated with Rudge-Whitworth center lock wire wheels and hubs, which were first patented in 1908. [1] [2] The spinner was a threaded, winged nut designed to keep the wheel fastened to the hub. They were screwed on and "knocked on ...

  6. WHEE-LO - Wikipedia

    en.wikipedia.org/wiki/Whee-Lo

    WHEE-LO is a trademark for a handheld toy that propels a plastic wheel along both sides of a metal track with magnets built into the wheel. As the track is tilted up and down, the wheel rolls the length of the track, top and bottom, and then again on the opposite side of the wire.

  7. Aerotrim - Wikipedia

    en.wikipedia.org/wiki/Aerotrim

    Multi-Axis Trainer at the Euro Space Center. An aerotrim (also known as Multi-Axis Trainer or MAT) is a 3-axis gimbal large enough to contain a human being, used for cardiovascular workout and equilibrioception (balance) training in pilots and astronauts.

  8. Polara Golf - Wikipedia

    en.wikipedia.org/wiki/Polara_Golf

    Polara Golf is a brand of golf equipment, focused on balls and clubs, launched in 1977.Polara-branded products, such as intentionally-asymmetrical balls not approved for official tournaments, have been manufactured by several companies including Aero X-Golf Inc., which filed for chapter 11 bankruptcy protection in 2017.

  9. Rotating locomotion in living systems - Wikipedia

    en.wikipedia.org/wiki/Rotating_locomotion_in...

    A wheeled buffalo figurine—probably a children's toy—from Magna Graecia in archaic Greece [1]. Several organisms are capable of rolling locomotion. However, true wheels and propellers—despite their utility in human vehicles—do not play a significant role in the movement of living things (with the exception of the corkscrew-like flagella of many prokaryotes).