Cool invisible Computer screen illusion

Here is a trick that is a little difficult to do but is extremely cool if done. Invisible computer screen trick is done by talking a picture of the wall at the back of your screen or such. It is hard to do because you need to position your camera in an angle and the distance to make this illusion very good. Most of the illusion are done in a laptop because of the portability of a laptop and ofcourse the weight.

Some Cool invisible computer screen illusion