Nephroid Generator
Click with the mouse to send in a horizontal beam of light to
reflect off the boundary of the circle.
After you try a few beams
at different heights, can you see the nephroid curve showing up as
tangent to all the reflected lines?
Return to: The Geometry of Reflecting Light Rays
Vic Reiner <reiner@math.umn.edu>
Frederick J. Wicklin <fjw@geom.umn.edu>
Last modified: Thu Apr 11 07:55:38 1996