Like most people, I bulk delete most of the viral emails of fun with water, bikinis, cream, cats, skateboards, animations of politicians and similar that slither into my email inbox (mainly, it has to be said, via my free hotmail account).
Occasionally something good pops up and the trick is to find it without opening yet another graphic with a free java scam included in it. Luckily the Mac is pretty good at spotting this kind of thing and the junk folder can even display the embedded programming so its easy to tell that someone is up to mischief.
Anyway, the one I quite liked recently was the little graphic of an optical illusion with a spirally effect which is really made up of circles. Trace around one of the spirals and you'll see they go around and around, rather than disappearing into the middle.
That's from illusion sciences where the clever folk also explain how it all works, as well as a whole raft of other effects.
I wonder if they have any idea how the intriguing beans work at Lady Banana's?
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