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Events During the Week of January 19th through January 26th, 2020

Monday, January 20th, 2020

No events scheduled

Tuesday, January 21st, 2020

Chaos & Complex Systems Seminar
Color: Physics and perception
Time: 12:05 pm
Place: 4274 Chamberlin (refreshments will be served)
Speaker: Pupa Gilbert, UW Department of Physics
Abstract: Unless we are colorblind or are in the dark, as soon as we look at any object, we know what color the object is. Simple, isn’t it? No, not really. The color we see is rarely just determined by the physical color, that is, the wavelength of visible light associated with that color. Other factors, such as the illuminating light, or the brightness surrounding a certain color, affect our perception of that color. Most striking, and useful, is understanding how the retina and the brain work together to interpret the color we see, and how they can be fooled by additive color mixing, which makes it possible to have color screens and displays. I will show the physical origin of all these phenomena and give live demos as I explain how they work. Bring your own eyes!

For more information: (1) watch TED talk: “Color: Physics and Perception” and (2) read book: PUPA Gilbert and W Haeberli “Physics in the Arts”, ISBN 9780123918789.
Host: Clint Sprott
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Wednesday, January 22nd, 2020

No events scheduled

Thursday, January 23rd, 2020

Cosmology Journal Club
Time: 12:00 pm
Place: 5242 Chamberlin Hall
We discuss papers from related to cosmology each week. All are welcome and feel free to bring your lunch. If there is a paper you would like to present, or have questions or comments, please email Ross Cawthon ( and Santanu Das (
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Friday, January 24th, 2020

No events scheduled
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