Seriously… look at her with your head tilted to your left, to your right… and even upside down if you want to. Look at her from her legs up or head down… or even at her shadow… can you figure out?

No? Okie… if you are a guy, perhaps you should stop looking at her nipples because it doesn’t really help much. As one fellow blogger mentioned, “guys will get tired after staring at her for quite a while because they’d all be looking at the wrong parts of the body!”

For me, I think I’d have a headache. 

Now, can you see her spinning clockwise or anti-clockwise? I saw her spinning clockwise first, for as long as I wanted to, then I saw her spinning anti-clockwise. While it was rumoured that this determined which side of the brain you used more, the fact is that, this is only a 34 frame animation in a constant loop which does not provide sufficient 3D spatial information for your brain to process – so your brain tries to fill it up by providing whatever spatial information it thinks you need to see something that you can interpret.

And if you are interested in the left-right brain nitty-gritty, here you go (extracted from news.com.au):

More explanations can be found here and here, and thanks to Chillycraps for highlighting this. 😉