Adelson — Checker-shadow illusion
I have seen this illusion before, but this is a great demonstration of it. If you still have doubts, print it out and check for yourself.
I have seen this illusion before, but this is a great demonstration of it. If you still have doubts, print it out and check for yourself.
Animals:
* Cats urine glows under a blacklight.
* A ducks quack doesn’t echo, and knowone knows why?
* An Ostrich’s eye is bigger than it’s brain.
* Elephants can’t jump. Every other mammal can.