(Also read: Optical illusion: If you can spot hidden bird in this image, you'll be hailed as sharpest observer of the day) ...

Ever wondered why some people are so proficient at solving riddles and brain teasers? The human mind functions optimally with ...

London-based illusion museum Twist Museum, which encourages visitors to engage their senses through immersive experiences, ...

A tricky optical illusion is making the internet go wild! Somewhere in this image, a fisherman’s hook is hidden – but can you ...

Optical illusions have a unique way of grabbing attention online. These visual tricks challenge the brain, engaging people in ...

Our today’s optical illusion challenges viewers to find a hidden dog among a sea of cats. This tricky brain teaser tests ...

Created by Hillarys, the curtain specialists, the puzzle asks people to locate the five hidden rabbits among a spring scene.

THIS mind-boggling optical illusion is bound to get you scratching your head – especially since only 9% of people can spot ...

In this mind-bending puzzle, there are three numbers that are visible - 21, 22, and 23. But there is a third number in this ...

Do you have the eyes of a hawk? This optical illusion is designed to challenge even the most perceptive minds. A bird is ...

Here the authors demonstrate a temporal Vernier caliper for arbitrary waveform synthesis with a sampling rate over 1 TSa/s. These results, which surpass current electronic systems by an order of ...