Spinning jenny Spinning jenny The spinning jenny is a multi-spindle spinning frame, and was one of the key developments in the industrialization of weaving during the early Industrial Revolution. It was invented in 1764 by James Hargreaves in Stanhill, Oswaldtwistle, Lancashire in England. The device reduced the amount of work needed to produce cloth, with a worker able to work eight or more spools at once. This grew to 120 as technology advanced. The yarn produced by the jenny was not very strong until Richard Arkwright invented the water-powered 'water frame', which produced yarn harder and stronger than that of the initial
Spinning pinwheel Spinning pinwheel The spinning pinwheel is a variation of the mouse pointer arrow, used in Apple's macOS to indicate that an application is busy. Officially, the "macOS Human Interface Guidelines" refers to it as the spinning wait cursor, but it is also known by other names, including the spinning beach ball, the spinning wheel of death, and the spinning pizza of death (SPOD). A wristwatch was the first wait cursor in early versions of the classic Mac OS. Apple's HyperCard first popularized animated cursors, including a black-and-white spinning quartered circle resembling a beach ball. The beach-ball cursor was also adopted