Perpetual motion, or just an illusion?
Use of an afterimage shows us a picture that really is not there!
Will you spot the deliberate mistake?
The tiger is easy to see. But can you spot the hidden tiger?
This shop has an interesting angle!
Clouds that vanish right from under your very eyes
I know the theatre is supposed to be an illusion, but isn't this taking things a bit far?
Two frisbee or not two frisbee?
Create your own 3-D Hologram!
A Mondrian? No - an amazing optical illusion!
Made of Nitinol, this spoon bends when you stir your tea with it!
An extraordinary puzzle, with multiple challenges to solve!
