THIS is the brainteaser to get you ready for the Christmas season as you try to spot the Santa holding a sack of cash instead ...

REFERRING to the article in NATURE for October 20, may I mention a rather common optical illusion which I do not remember to have yet seen in print. If a gothic arch is unequally divided by a ...

It’s not uncommon for people to watch the world go by without paying much attention to something happening in the background.

Optical illusions are the latest craze among netizens. They are created in the form of pictures that trick the human mind and are regarded as one of the simplest tests to test an individual's ...

A submerged object displaces the same volume of water as its own volume. Since the paper pin has the smallest volume than other objects, it replaced the least amount of water in the glass.

Optical illusions mainly teach us how our eyes and brain work together to see things in this three-dimensional world, understanding the clues about the shading, lighting, depth, and position of ...

For more, visit: Perceptual art 3D street art Body art Zoetropes Paper sculptures Disappearing sculptures Shadow-art drawings Face illusions Trash illusions More from Real Estate ...

A new online puzzle challenges readers to test their visual acuity by finding a hidden mug of milk within a whimsical ...