"Everything we think is real is, in some way, an illusion." Former NASA illustrator Kurt Wenner makes incredible, brain-busting chalk illusions. His works start with diligent planning, beginning with ...

“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 ...

Optical illusions challenge: Think you’ve got sharp eyes and a quick brain? Try this optical illusion IQ test that’s leaving even the brightest minds puzzled. This brain teaser challenges you to find ...

The popularity of optical illusions is on a meteoric rise on the internet. As a result, these brain teasers are getting harder on a daily basis. If you prefer challenges, we have an appropriate ...

A stroke of colorful chalk is never quite set in stone, or upon concrete, rather, if you happen to be specifically talking about the works created by madonnari, those talented artists who create ...