Forget dropping acid, it's time to drop pixels with this illusion...

[originalpckelly]

Stare at the center of this for 30-45 or more (which is better as it produces a stronger effect.)

http://www.michaelbach.de/ot/mot_adaptSpiral/index.html

[boston bean]

1. i can barely type this response.

the page is moving.

[originalpckelly]

2. I know...

it's so trippy, isn't it?

No one would believe it until they do it. I always get really great reactions from people who've done it. I usually have them look at a keyboard because it somehow lets you see the motion better.

[GreenPartyVoter]

3. Yikes!

[originalpckelly]

4. Isn't it amazing to see what can be done without you taking drugs?

It's a holy shit moment when it first happens to you. To me now, I just let other people do it. The novelty has worn off on me several months after finding out about this, but I still do it sometimes.

[derby378]

5. More insidious than OptiGrab!

[Mr.Bill]

6. Didn't work.

But then, I've done the real acid.