Forget the black and blue dress – this photo of an unassuming building is the latest image to demonstrate just how sophisticated our brains are at viewing the colours we see around us. The strange ...

Visual magic tricks can look impossible, but most rely on clever timing, misdirection, camera angles, hidden props, and how easily our eyes can be fooled. Once you understand the simple secrets behind ...

Optical art — also known as Op art — caused what Assistant Professor of History of Art and Architecture Lindsay Caplan described as a “critical panic around art’s illusionistic quality” when it ...