Fun optical illusions

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to

This scary optical illusion is being shared on social media as it claims that it will leave you seeing terrifying visions — so try it at your own risk! #personalitytest #personalitytype #quiz #funtest #mindgame #opticalillusion #visualtest

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This is a weekly handover test to confirm that you do not have a hang-over, due to all the alcohol that you had been drinking last night.

Share it with your friends and check if they can see what you see? Twist your brain with fun optical illusion pictures that will blow your mind! Stare at the cross, then move your head backward and foward, and that's all you have to do! #riddler #illusion #brainteaser #riddles

floating person photo illusion water puddle on the ground before the person gives the illusion of a shadow

This elephant optical illusion features a scene in the forest. Can you spot the hidden elephant in 5 seconds? The illusion will test your intelligence!

Maybe we watched too many horror movies as kids, or maybe it's just an evolutionary advantage to be wary of danger when it isn't necessarily there, but we can all remember that sudden feeling of terror when the shadow of a tree flashes across a window.

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