Month: April 2018

“In 1997 mathematics professor Stan Wagon and bicycle mechanic Loren Kellen constructed a square wheel bike that rolls smoothly over a road made out of inverted catenaries…” Continue reading>>

Square Wheels in Motion: Square-Wheeled Trikes at the Museum of Mathematics in New York.

The Exploratorium’s square wheels that roll smoothly are amazing! And now middle school science teacher Doug Stith has developed the concept even more. Would triangles work? Can we make the axle from a laser pen and record the movement on phosphorescent paper? What roller would work on triangular steps? Doug always has the integrity to give a shout-out to the people who started the idea, then he takes it in really interesting new directions.