Optical illusions

[Godsmack]

Here are some stereographic optical illusions. There are two images in each from slightly different perspectives, sort of like looking through one eye and then the other.

 

[Plainview]

"What you need to know... Is that it's magic." -Gob

The most mesmerizing.

Orange circle never changes size.

...I'm still not convinced these blocks are moving at the same speed, but I'm told they are.

O_O

Try and follow the surface the ball travels on this möbius strip.

O_O
It's all about perspective, man.

 

[Lucid Rifter]

..............

 

[lowdru2k]

cool stuff.

 

[Intellivision]

I couldn't see any weirdness in the spinning ballerina one.

For some of these colour shading illusions, if you squint your eyes so your vision gets half blurry you'll notice the illusion doesn't work.

 

[morfeeis]

This one gets me everytime i see it...

 

[Plainview]