black in blue dress The Science Behind the Prom Dresses The Science of Why No

Theres a lot more to optical illusions than we ever thought possible Why did some people see black and blue and others white and gold

"But I've studied individual differences in color vision for 30 years, and this is one of the biggest individual differences I've ever seen." (Neitz sees white-and-gold.) Usually that system works just fine

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I immediately screamed, 'Oh my goodness, you have THE DRESS!' The owners and neighbors had a good laugh at my reaction."

And if you participated via a tweet, a click on a poll or an argument at the dinner table, you likely contributed in some small way to the advancement of our understanding of color perception as we know it

Consider the famous optical illusion of a dancing ballerina that can be interpreted either as a figure spinning to the left or to the right and most people can make themselves see it both ways