Optical illusions test visual perception and cognitive focus, making them fun, shareable, and a great way to challenge the brain. Most people take between 10–30 seconds, but only a few can spot “Polls ...

This work extends the concept of cloaking as a special form of illusion to the wider realm of illusion optics. We propose to use transformation optics to generate an illusion such that an arbitrary ...

This tricky optical illusion IQ test challenges you to find the odd word hidden among similar-looking ones in just 5 seconds.

Can you spot 4052 hidden among 4502s? This optical illusion is a real eye test The number 4052 is cleverly hidden in the grid.

Try: How High is Your IQ? Find the hidden Word Red in this Optical Illusion IQ Test Optical Illusion: Find the Hidden Odd Word in 9 Seconds Source: MINT So, how are you doing Sherlock?

Only those with 20/20 vision & the eyes of a referee can solve this baffling optical illusion in under 60 seconds Scroll down for more tricky illusions and brainteasers ...

Can you spot the odd word out? Here, we see a pic with the word pens written all over it. The words are really striking since it they written in white over a black background.

A new optical illusion featuring repeated words has gone viral, challenging users to spot one odd word hidden among dozens of PENs. Think you can do it in under 10 seconds?

Another day, another brain-bending optical illusion! At first glance, this colorful grid of red and orange diamonds looks like a mess of repeating numbers: '34,' '43,' '32,' and '23.' It’s bright, ...

If you're looking for a way to give your brain a workout today, why not try out this optical illusion puzzle. Only those with a high IQ can reportedly spot a second horse in the image ...

Here, we see a pic with the word pens written all over it. The words are really striking since it they written in white over a black background. However, there is a catch in it. Amidst the barrage of ...

Optical Illusion: Take a look at the picture given below, the image is of a board full of the term 'pen'. However, among all the pens, there is one odd word that you have to spot in under 10 seconds!