Shades of Grey

[Pete]

Sick.

 

http://www.slate.com/content/dam/slate/blogs/bad_astronomy/2013/12/06/greysquares_illusion.jpg.CROP.original-original.jpg

 

What?s the illusion, you ask? Those two vertical lozenge-shapes are the same shade!

 

Don?t believe me? Good! It?s always best to check things like this out for yourself. One way is to put your finger across the middle, blocking the part where they meet. When you do that, boom! You can see they?re the same shade of gray.

 

Here it is graphically:

 

 

http://www.slate.com/content/dam/slate/blogs/bad_astronomy/2013/12/06/greysquares_explained.jpg.CROP.original-original.jpg

 

http://www.slate.com/blogs/bad_astronomy/2013/12/07/optical_illusion_shades_of_grey.html

[Morphinity 2.0]

I don't see the same shade when I put my finger in front of the middle.

[Pete]

I don't see the same shade when I put my finger in front of the middle.

 

Cover the entire Horizon.

[Morphinity 2.0]

Cover the entire Horizon.

 

Ah, it works when I focus on it for a little bit. It takes a while.

[Morphinity 2.0]

Cover the entire Horizon.

 

Ah, it works when I focus on it for a little bit. It takes a while.

[Vodka Drunkenski]

Still see a difference, closer but not the same.