Brain teasers come in many shapes and sizes—some rely on mathematical skills, others test age-related logic, but one type of ...

Have you managed to spot all the circles? The answer may not be as straightforward as you think, and that’s what makes this particular optical illusion so intriguing. Take a moment to look ...

In the grey and black image shared above, the users need to find 16 circles within 8 seconds ... If you loved this optical illusion challenge, do not forget to try out some more challenges ...

A tricky optical illusion showing circles went viral, leaving viewers puzzled as they tried to count how many circles were actually there. Optical illusions have always intrigued us, offering a ...

There is a mathematical side to optical illusions ... can’t square a circle”, which is essentially metaphor for trying to do the impossible. Yet, world-renowned illusion researcher Kokichi ...

An optical illusion is a visual phenomenon where the ... or two shapes may seem unequal in size even though they are identical. Which circle is the bigger one? Look at this image carefully.

The sheep can be spotted on the top right side of the image, it’s location is marked with a circle. If you loved this optical illusion challenge, share it with your family and friends.

Test your observation skills with this optical illusion! Hidden within a chaotic poker table scene are four lucky charms, including a dice. Can you find them all in just 8 seconds? This visual ...

Some visual scientists think this is due to fixation jitter: eye movements that give the illusion that objects near what you’re focusing on are moving. Which of the two circles in the centre is ...

A tricky optical illusion showing circles went viral, leaving viewers puzzled as they tried to count how many circles were ...