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Controlling Caustics Choreographs Light

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LAUSANNE, Switzerland, Nov. 16, 2012 — A new algorithm based on a well-known natural optical phenomenon called the caustic effect makes it possible to “paint” images using light and a curved surface. The technique holds potential for automobile headlights, projectors and architectural applications. The scientists at Ecole Polytechnique Fédérale de Lausanne (EPFL) who developed the algorithm tested it by transforming a simple transparent acrylic plate into a molded surface that, when a light is directed through it, produces a coherent image of the face of Alan Turing, a British mathematician and the...Read full article

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