Researchers have developed a new CAPTCHA test that uses AI-generated optical illusions that are easily recognized by humans but are undetectable to other AI bots. [Read More]
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Photographer, computational biologist, and science presenter Andrew Steele just released a fascinating short video about his favorite optical illusion. By manipulating a function of your visual system, he shows you how you can trick your brain into “adding” color to a black-and-white image.
Check out this photo captured from a plane over Colorado. It looks like strange blocks arranged in a grid across the Earth, but it’s actually ultra-flat farmland that has been turned into a 3D illusion thanks to windblown snow.