Watch what happens in this optical illusion with 4 shades of blue. MAKE YOUR OWN: http://www.instructables.com/id/Shady-Optical-Illusion/ Shady Optical Illusion 5: Mad Dogs http://www.youtube.com/watch?v=MMJ6thfG2Vg More amazing optical illusion and science videos here: http://www.youtube.com/greeenpro2009 -~-~~-~~~-~~-~- Please Watch: "OPTICAL ILLUSION: Jaw-dropping Diamonds 2.0!" https://ww
![Shady Optical Illusion](https://cdn-ak-scissors.b.st-hatena.com/image/square/ab045ee7ec772cc22f363b2aede432da4a9920fb/height=288;version=1;width=512/https%3A%2F%2Fi.ytimg.com%2Fvi%2FfJ2eUXxK2iU%2Fhqdefault.jpg)