Math Photo: Circular Refraction

Published by MrHonner on

Circular Refraction

This simple exhibit at the New York Hall of Science demonstrates a lot of interesting trigonometry.  As the light hits the boundary of the semi-circular glass block, it bends back toward the central axis of the system.  I can’t look at this without seeing tangents, normals, and angles of incidence and refraction.  I wish I had brought my protractor!



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