National Science Foundation

National Curve Bank

MATH Thought for the Day!

Beckman Institute

On the theory of light

The Laurentian Library, Florence, Italy

In 1921 the English physicist William Bragg remarked, "On Mondays, Wednesdays and Fridays, we teach the wave theory and on Tuesdays, Thursdays and Saturdays the particle theory."


People have suggested that light be called a "wavicle."

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