Are these two pics of the Leaning Tower of Pisa different?
Believe it or not, they are identical in every respect! This is from
Scientific American; I'll leave it up to them to explain what the hell is going on - click
here. You'll also get to see nine other interesting optical illusions. And, of course, the opportunity to buy a special issue of SciAm, containing 169 illusions (always gotta get the plug in!).
Another one: Do you see the inverted triangle?
You do realize, of course, that it's not there...
(Note: Sadly, in switching to a white-on-black format for this site, this image doesn't work quite as well as it normally does; probably because it's a .GIF file. If you really want to see it correctly, contact me and I'll send you a decent copy.)
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