Special thanks to former student Ben Fuller for alerting me to this great video on perceptual illusions. This lecture was delivered by R. Beau Lotto, founder of LottoLab, at the 2009 TED (Technology, Entertainment & Design) Global Conference. In it, he describes the science behind several popular visual illusions (some of which we will be viewing in class in a couple of weeks), and reveals some new ones.
The LottoLab site itself is a great source of illusions and their explanations and is worth checking out.
Here's a link to the full article describing his talk:
http://www.cnn.com/2009/OPINION/10/26/lotto.optical.illusions/index.html
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