Usually I’m not a big fan of optical illusions, but these video optical illusions, especially #1, are first class.

http://illusioncontest.neuralcorrelate.com/cat/top-10-finalists/2010/#post-2002

Watch it seveal times! Also, the twirling helix got me, too.

I often worndered if there was some way to cultivate that including detaching from optical illusions but never found anything. I suppose it’s the way our brains work. Enjoy