The earliest wheels were apparently made some 5,500 years ago in Mesopotamia -but they weren’t the wheels we think of today. Rather, they were potter’s wheels. It wasn’t until they’d been around for ...

Spinning methods. (a) Manual thigh-spinning [64]; (b) Spindle-and-whorl “supported spinning” [68]; (c) “drop spinning” [66]; (d) the experimental spindles and whorls, the 3D scans of the pebbles and ...

From wheels to smartphones, humanity has created billions of things. But one invention dwarfs them all in sheer numbers. And ...

It has been a pleasure in past columns to share my opinion of the two greatest inventions of all time: sticky notes and wheels on suitcases. Thank you for listening to my ramblings as to why I chose ...