See the amazing photographs by Alan Sailer
Polages are a unique form of artwork, based on the phenomenon of polarised light.
Convert your boring garage door into an optical illusion that will turn heads!
A chance encounter with the letter 'F' on the wing of a butterfly started Kjell Sandved on his life's work.
These snakes seem to be moving in all directions...
The camera never lies... or so they say!
How illusions were created in the pre-digital days.
A brand new discovery about how we see moving objects - and also an extraordinary illusion!