Watch colors disappear and merge right before your eyes
One of the most amazing visual illusions is also one of the simplest. It’s called the Troxler effect for Ignaz Troxler, the scientist who discovered it in 1804. To experience it, just stare at the central dot in this figure for 30 seconds or so, with your head about 12 inches from your computer monitor. [...]
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The Daily Monthly is Dave Munger's multi-layered exploration of ideas and issues affecting all of us today.
One post per day, one topic per month
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