A stone pottery wheel discovered in the city-state of Ur dates to around three,429 BCE, and even older fragments of wheel-thrown pottery have been found in the identical area. Fast potters’ wheels enabled early mass production of pottery, but it was the use of the wheel as a transformer of power that revolutionized the application of nonhuman power sources. The first two-wheeled carts have been derived from travois and have been first used in Mesopotamia and Iran in round 3,000 BCE. The earliest recognized use of wind energy is the crusing ship; the earliest document of a ship beneath sail…

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