Historically speaking, wheels are a much newer development than you might expect. The oldest recovered specimen is a wooden Slovenian model built sometime between 5,100 and 5,350 years ago. By then, humans had already been practicing agriculture for several millennia—in fact, farming may date all the way back to 12,000 BCE. Canoes and animal domestication also vastly predate the wheel. Why did this invention take so long to get rolling? Well, from a vehicular standpoint, spinning wheels are basically useless unless they’re attached to a secure shaft of some sort. It was only after mankind finally built such stabilizers—which we … Continue reading →