Made with painters tape.

Very cool optical illusion. Even after you are shown how the trick is done you will still want to watch it over and over to figure it out.

Penn & Teller’s hilarious and ingenious version of Sawing a Woman in Half – performed live on America’s Got Talent.

Look at this video in full screen for a while, then look at the surroundings. This one is insane! No need of psychedelics anymore.