The Physics & Astronomy Colloquium Series presents Raj Roy of University of Maryland on “Seeing the Light: Waves and Photons, Complexity and Randomness,” on Friday, Oct. 9 , at 4:10 p.m. at an Online Departmental Colloquium.

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Abstract: Seeing the light is no simple task – it is accomplished with a complex system consisting of our eyes and brain, which we are only beginning to understand in a rudimentary way.  This is certainly good news – there is so much interesting science left to do and so many interesting discoveries to make, experimentally and theoretically.

We will look at a few examples to illustrate these points, the highly interdisciplinary nature of the problems, and tools needed to begin to unravel them. We will conclude with a description of experiments to probe the transition from randomness to determinism in a simple optical feedback system, as well as the recent observation of "laminar" chaos.