An engaging optical illusion challenges readers to find a hidden key in a living room scene. The task is made difficult by contrasting patterns and vibrant colors. Such puzzles not only test ...
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 ...
Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.