Incredible Shade Illusion!

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http://itunes.apple.com/us/album/soul...

http://www.amazon.com/s/ref=nb_sb_nos...

Song name: Soul Switch

Girl in the video: http://www.youtube.com/dxdutch

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I put together a template of a smaller version of this design for you to download and try yourself. Give it a try, it really is amazing to see it happen right before your eyes.

Here's the link to the template: http://i.imgur.com/Bf8xi.jpg

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For me, this is still one of the most amazing illusions. The design is just so simple and yet the illusion is so amazing.

This illusion has been around for a long time but always in the form of an image. It was created by MIT professor Edward H. Adelson. I wanted to take it from a flat piece of paper and turn it into a real, life sized illusion that I could interact with to demonstrate the effect.

The illusion works because of the "shadow" that falls on the checkerboard. Lets think of the square that the shadow falls on. Now picture that the shadow doesnt exist, you would see a light colored square surrounded by the dark colored squares. But when the shadow falls on top of that light colored square, the shadow causes the shade to become darker but it also causes the surrounding darker squares to become darker. So within the shadow region the brightness and darkness of the squares are still relative to one another. But they are no longer relative to the squares that lie outside of the shadow.

So if you were able to pick up the middle square and move it to one of the outside dark squares, they would be 2 different shades, But the trick is ..that when you move the square you are moving it WITH the shadow still printed on the square. So now you've moved it out of its relative area, outside of the shadow region (but with the shadow still printed on the square) ..to the area where it's the same shade as the "dark" square.

• Category

  Science & Technology

[brain96969]

Google: "Incredible Shade Illusion", print it out and then cut them two squares and put them next to one another and you will see that them shades are 100% identical.

[Theprogamerisme]

dude you just dont understand

[negyedikandras]

Can anyone please let me know what's the music? It sounds s familiar but can't find out what it is... The video is not fake anyway.

[NoBoundariesRs]

Your mind believes that the dark ones are all the same colour though and simply altered by the shade although it may not be true. My guess anyway.

[NoBoundariesRs]

That's not fair, they have different lightings over them etc. Besides, what you can't see, the computer can't either. If you see it to be different, so will the computer so cutting and pasting doesn't make the difference. My opinion is that they've made all squares darker inside the shade (so the dark ones are actually even darker than the other dark ones) and that the light one is the same shade as the normal dark ones, but it doesn't appear it because its surrounded by ones that are darker

[rayny98]

Listen here you Nazi... Jk

[cxa011500]

F'ING WITCHCRAFT!!! BURN THE WITCH!!! >:-O

[ScootalooInMyShoe27]

It's ok to be stupid

[Vinnie Kanh]

Take that pole out you'll see the difference. There's a reason why that big pole is there.

[emanttonen]

what in the world?



[kingofkarma123]

The first time my minds been blown

[SiliconeSlave]

What witchcraft is this?! :@