The Wheel, Part 2

Costa Rican Ox Cart The LEAF Project/Wikimedia Commons

The wheel is perhaps the most iconic of all inventions, and yet we are often too dismissive of wheel technology. We’ve been reinventing the wheel for thousands of years and show no sign of stopping. In this Invention two-parter, Robert Lamb and Joe McCormick explore the earliest examples of wheel technology and discuss why some cultures barely used it at all.