Optical illusions have fascinated people for centuries. They play tricks on our eyes and brains, making us see things that aren’t really there. Sometimes, a static image can appear to move, or colours ...
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22 mind-boggling optical illusions
Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...
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