Optical illusions gets our brain to exercise, and can be the perfect test of our observational skills and keen eye. An optical illusion is a visual phenomenon where the brain misinterprets what the ...
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Do you see blue or purple? Mind-boggling optical illusion divides the internet - as viewers struggle...
From colour-changing fire trucks to 'The Dress', many optical illusions have baffled the internet over the years. Now, a scientist from Harvard Medical School has discovered an illusion that might be ...
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