Lightness Illusion

I've seen this before, I opened it up in paint and took a bit of each square, and they are the exactly the same. Like the title says.. its an "Illusion" As for the animation, 5 stars

that was a really cool illusion 5*

that's was new to me...cool 5*

well put together. 5

5*'s !!!!!

amazing...very cool video!!!

Never looked the same until you put in the black pieces.

i've checked this out in paint, it is real. i knew this like 5 years ago, still baffles me everytime!

try with paint put those pieces together - you'll see

amazes me every time

5 stars!!!

"fica bem"

I lked it!

i like this video!
very cool!

5*****

Edward H. Adelson
Professor of Vision Science

Dept. of Brain and Cognitive Sciences
Massachusetts Institute of Technology
43 Vassar St., Building 46-4115
Cambridge, MA 02139.

Phone: (617) 253-0645
email: a d e l s o n @ c s a i l . m i t . e d u


Secondary Office:
Computer Science and Artificial Intelligence Laboratory (CSAIL)
32 Vassar St., Building 32-D424
Cambridge, MA 02139.

does not hold true, the checkerboard has alternating squares with A being in the grey and B in the white, the illusion is in the explanation.