# Can you believe your eyes?

## Well, can you?

The figure in the circles is actually square.

Are these actually squares?

Sander Paralelogram ~ 1926
Measure the diagonals - you'll be surprised

Life ~ The Fraser Illusion
Are the letters really crooked?

Are you looking at the inside or the outside of this card?

Look at this picture for a couple of seconds and bring your face closer to the screen.
The woman will seem to join herself back together.
Alternatively you can bring the monitor closer to your face, if you like)

Sausage Fingers

The above picture reminded me of a childish amusement.

Hey presto ! Sausage fingers.

Are these rows really parallel?

Thanks to Peter Shearn for reminding me of this building at the bottom of St Michaels Hill, Bristol

Please scroll down for some more pictures of the tiles

This really is an optical illusion, the tiles are perfectly rectangular!

Even when damaged and dirty the illusion shows through !

How can a two dimensional image show bumps and hollows?