Tuesday, June 8, 2010

One more optical illusion

I know I posted some optical illusions a couple of days ago, but I just could not resist...

This optical illusion is great! Again, credit Scientific American. See the squares marked A and B? They're different shades of gray, right?

Nope... They're the same color!


2 comments:

Anonymous said...

That's crazy. and this is shawn

David said...

Just saw your comment! Yup, it IS crazy.