“I like the science behind it. I love to see people’s reaction,” says artist Naomi Haverland of her 3D art. The Florida resident shares her process for creating optical-illusion chalk art and vibrant ...

Mark Rox calls himself a graffiti artist and most of his murals are located in Barcelona, Spain.(@pop.art.pov/Instagram) Optical illusions are all the rage on social ...

A stereogram optical illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of repeating designs or colourful dots.

A stereogram optical illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of repeating designs or colourful dots.

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality.