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?

Superimpose the nephroid tangent to the reflected lines?

Return to: The Geometry of Reflecting Light Rays

Vic Reiner <>
Frederick J. Wicklin <>
Last modified: Thu Apr 11 07:55:38 1996