13 Responses

1. 100 Best Sites » Blog Archive » Late breaking news says:

   October 7, 2006 at 6:12

   [...] <b>Exercise</b> visual brain: fun brain teaser [...]
2. ilikelatest.info » Late breaking news says:

   October 7, 2006 at 9:43

   [...] <b>Exercise</b> visual brain: fun brain teaser [...]
3. medial meniscus tear says:

   February 3, 2007 at 4:43

   medial meniscus tear…

   SomegifttoME 132119 Actual news on medial meniscus tear category….
4. » Brain Teasers and Games with a neuroscience angle: our Top 50    « Brain Fitness Revolution at SharpBrains      says:

   December 26, 2007 at 6:27

   [...] 29. This is less obvious than it may appear. [...]
5. miss says:

   January 11, 2008 at 11:49

   both same shade, i think
6. Keith says:

   January 21, 2008 at 2:23

   Yep They are the same. I had a hard time believing it, but open the image in Adobe Photoshop, and took a teardrop sample from both squares. They are the exact same grey value. Weird..
7. yahobahne says:

   January 21, 2008 at 6:59

   A is a more darker grey than B
8. yahobahne says:

   January 21, 2008 at 7:15

   I went to the proof and explanation and I still don’t believe A&B are the same gray. I hold fast to my above comment. I just don’t get it.
9. Guyguy says:

   January 25, 2008 at 12:17

   Print the picture and fold the page so the squares are together. You’ll see they are identical in shade
10. Alvaro says:

    January 26, 2008 at 3:10

    Guyguy, thanks for proposing a great way to find out!
11. Aaron says:

    March 23, 2008 at 10:37

    I think A is darker, B is a lighter color just shaded by the cylinder, but A is a really dark color.
12. Anjani says:

    May 9, 2008 at 5:36

    A is more darker grey in color than B
13. hides says:

    January 30, 2009 at 10:32

    wow, they are the same