I wonder why they call her the Zig-Zag Girl. At the end of the magic trick, the girl’s midsection is slid back in place, the blades are removed and the Zig-Zag Girl steps out magically in one piece.

A mesmerising optical illusion is challenging puzzle lovers to spot the panda amid the dizzying zig-zag shapes, and only those with razor-sharp eyesight will be able to find it ...

The internet loves an optical illusion, and it seems like people are always on the lookout for new ones. ... The zig-zag lines are actually curves, even though your eyes are blind to the curvature.

Wavy to Zig-Zag Line Illusion Reveals the Importance of Corners in Perception. by Matthew Hart. Dec 10 2017 • 3:00 PM. Corners are especially important because they provide a point where two ...