Optical Illusion

[Marc]

Try this optical Illusion,

There is a proper name for this but I can\'t remember what it is -

http://home.mn.rr.com/t1camp1/Focus.swf

 

[peter.m]

Good night

Just off to bed to look at that again

 

[Norman]

I should have known better .............

 

[peter.m]

Actually went to bed, had a look and got up for some more to put me right!