Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...
In this optical illusion picture, two patients are hiding in plain sight. Can you spot them in 9 seconds? Test the sharpness of your eyes now!
An interesting optical illusion has been doing the rounds on social media, making users wonder how it is possible. In the ...
Challenge your brain with this optical illusion IQ test online! Spot the hidden pencil in just 5 seconds in this tricky ...
Optical illusions are captivating images that trick our brains, playing with our perception of color, light, and patterns. A ...
Can you spot the hidden number? This optical illusion features a grid of identical circles with 96 and 69, but one lone circle has the number 99. Optical illusions like this challenge your observation ...
THIS is the brainteaser that asks you to combine more than one skill – pictures and words – in a punishing game of intellect.