Remember as a kid you played with a mirror, putting your face to the side of it and your friends were laughing at the funny symmetry of your face and your faces reflection?
If you were ever wondering how the heck do they create those continuous patterns, then wonder no more and check this neat Photoshop tutorial that might teach you a new designing trick or two.
Remember the legendary Predator movie with Arnold Schwarzenegger? Those Predator aliens had this thermal view feature so they could their prey even in complete darkness, let's Photoshop it.