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A spinning wheel is a device for spinning thread or yarn from fibres, which was fundamental to the cotton textile industry before the Industrial Revolution. Learn about the disputed origin, function, and evolution of the spinning wheel, as well as its cultural and artistic significance.
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 ...
Learn about the optical illusion that makes a spoked wheel appear to rotate differently from its true rotation. Find out how it works, when it occurs, and how it is used in engineering and entertainment.
Richard Arkwright (1732-1792) was an English inventor and entrepreneur who developed the spinning frame, a machine that used water power to produce cotton thread. He also patented a carding engine and built factories with mechanised carding and spinning operations in Derbyshire.
RNG stands for random number generator, a device or algorithm that produces a sequence of numbers or symbols that cannot be reasonably predicted. Learn about the methods, applications and types of RNG, such as true and pseudorandom numbers.
Learn about the origins and development of devices that claim to violate the laws of thermodynamics and produce perpetual motion. Explore the examples, claims, and challenges of various inventors and proponents from the Middle Ages to the present.
A spinner is a graphical control element to adjust a value in a text box by clicking or typing. Learn about its features, usage and examples in HTML and JavaScript.
A 1968 hit by Blood, Sweat & Tears, written by David Clayton-Thomas and inspired by Joni Mitchell's "The Circle Game". The song was a Grammy winner and a crossover success, reaching No.2 on the Billboard Hot 100 and No.1 on the Easy Listening chart.