Archaeologists estimate that the wheel was invented independently and concurrently in Mesopotamia (in present-day Iraq), the Northern Caucasus , and Central Europe. Time estimates range from 5,500 to 3,000 BCE with most experts putting it closer to 4,000 BCE. The oldest artifacts with drawings depicting wheeled carts date from about 3,500 BCE.
The Renaissance era produced many innovations, including the printing press . Technology became increasingly influenced by science, beginning a cycle of mutual advancement. Innovations continued through the Middle Ages with the introduction of silk production , the horse collar, and horseshoes. Simple machines were combined into more complicated tools, such as the wheelbarrow, windmills, and clocks. A system of universities developed and spread scientific ideas and practices, including Oxford and Cambridge.
- New technologies were developed, including sewage systems, electricity, light bulbs, electric motors, railroads, automobiles, and airplanes.
- The latest deliveries fell far short of Tesla’s production, which is