Optical illusions come in all forms, from simple tricks of the eye to complex geometric designs, but my personal favourites are the simple illusions that leave my brain well and truly frazzled. While ...

A quick optical illusion puzzle that tests attention to detail and visual focus by asking readers to find a hidden odd number.

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Optical illusions come in all forms, from mind-melting artwork to photography trickery, but there's one style that never fails to perplex the internet – the humble colour illusion. Fooling the brain ...

Optical illusions to find the hidden objects and numbers are effective at revealing your brainpower and visual IQ. How sharp ...

A Stereogram is an illusion ofa 3D surface. As per Julio Otuyama, “The visualisation of a stereogram requires an unusual skill: each eye must be targeted to distinct places on the image. This is ...

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Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you can't always trust what your eyes are telling you. When you purchase through ...