Where is the Odd Number Hiding? Check Your Visual Acuity By Finding it in 9 Seconds

This optical illusion puzzle challenges observation skills by hiding an odd number among similar digits. Backed by visual ...
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I built 5 impossible optical illusion chairs

In this video, I explore my fascination with magic and optical illusions by building five furniture chair optical illusions.

Are your memories illusions? New study disentangles the Boltzmann brain paradox

In a recent paper, SFI Professor David Wolpert, SFI Fractal Faculty member Carlo Rovelli, and physicist Jordan Scharnhorst ...

Prove Your IQ Level By Finding the Two Hidden Big Horn Sheep in this Amazing Rock-Themed Challenge

Test your observation skills with this rock-themed optical illusion that hides two big horn sheep in plain sight. This visual ...
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Geometry Dash impossible jump!/ Deluxe12

Hi :) ...

Photos: Stunning optical illusion appears over S.F.'s Transamerica Pyramid

A San Francisco photographer captured a stunning optical display behind the Transamerica Pyramid on Thursday amid an unusual ...