Square Wheel
A
square wheel
is a
wheel
that, instead of being
circular
, has the shape of a
square
. Such a wheel can roll smoothly if the ground consists of evenly shaped bumps of the right size and curvature.
Stan Wagon
, a mathematician at
Macalester College
, has constructed a
bicycle
with square wheels, together with a special track for riding it on. For other improbable wheels, see
Reuleaux polygon
.
External link
*
Math Trek: Riding on Square Wheels, Science News Online
- contains illustrations and photos of Wagon's bicycle
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