The wheel: The ancient Mesopotamians were using the wheel by about 3,500 B.C. They used the potter's wheel to throw pots and wheels on carts to transport both people and goods. This invention had an impact on ceramic technology, trade, and warfare in the early city-states.
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THE WHEEL is widely regarded as the most important invention of all time, having had a profound impact on transportation and, later, agriculture and industry. It soon became common for the wheels to revolve around a fixed axle. Wheels with spokes, which were invented around 2000 BC, were lighter, allowing vehicles to move faster.
