Math Trek Math Riding on Square Wheels By Ivars Peterson March 30, 2004 at 6:43 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print A square wheel may be the ultimate flat tire. There’s no way it can roll over a flat, smooth road without a sequence of jarring bumps. Stan Wagon rides his square-wheeled trike over a special roadway. Courtesy of Stan Wagon A hanging chain. A square rolling on a bed of inverted catenaries.