(CBS News) I love magic tricks and optical illusions. Today I've got one that is a lot simpler, but just as incredible. Check it out.
The trick works through the use of the "Hollow-Face illusion", which simply stated takes a concave mask to give the appearance of a convex face at any angle. But for those like myself who work better with a visual to learn what's occurring (or didn't understand the explanation), , has created a concise and visual explanation which I'm including below.