
The Wheel’s Hidden Superpower
It didn’t just roll. It transformed energy—from potters’ wheels to water wheels, windmills, and even treadmills.The Wheel: Ancient Technology That Transformed Energy

Invented More Than Once
Archaeologists think the wheel emerged independently in Mesopotamia, the Northern Caucasus, and Central Europe. Drawings of wheeled carts go back to about 3,500 BCE.The Wheel: Ancient Technology That Transformed Energy