Scintillating Starburst: Seeing rays that aren’t there…

This is one of my oldest illusions I created in the 90s. In the picture you may see ghostlike dark radial beams. This illusion is a variant of the Herman’s scintillating grid illusion. I designed this illusion just by turning 45 degrees the Herman grid and then by applying a polar transformation.

From my book “Eye Tricks“, 2001-2007.
Continue Reading

A simple real life illusion: the transparent knife!

Have a look at the picture, it looks like a “transparent” or “camouflaged” knife! I took this photo during a magician party many years ago. This illusion is based on specular reflections, it is simple but effective… In fact, when you place the blade of a knife in the middle of the tines of a fork, it will reflect other objects that are nearby.

Image taken from my book “Optical Illusions: An Eye-Popping Extravaganza of Visual Tricks“, available from Amazon.
Continue Reading