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Search Results for “caustic”

By Phil Todd
Coffee Cup Caustic
You can move the light source and observe the changes in the reflected rays which form the caustic.

Tags: caustic, envelope, reflection, circle

By Phil Todd
Tchirnhausen's Cubic
The caustic formed by light projecting perpendicular to the axis of a parabola is called Tchirnhausen's Cubic. What happens when the light projects at some other angle?

Tags: Parabola, caustic

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