Another reason why the internet is awesome when you are bored

Tell me this test isn't the freakiest coolest thing ever. No surprise I'm predominantly a right brainer. I actually thought it was a scam at first, but after a few minutes I was able to make her change directions back and forth just by looking off to the side a bit. Try it, and I guarantee you will waste a good ten minutes marveling at it. I freaking love the internet. (Hat tip, Andrew Sullivan)