This clock looks like an explosion of colors trapped inside resin. 🌈⏰ The combination of colored pencils, chameleon-effect ...

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A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

A mind-boggling optical illusion that appears to show horses on a mountain top has caused a row between the painter and scientists — but who’s right? Optical illusions typically cause a stir online ...

Forget the black and blue dress – this photo of an unassuming building is the latest image to demonstrate just how sophisticated our brains are at viewing the colours we see around us. The strange ...