No matter how many times you look at this, it still does not seem possible.  This illusion can be easily made in MS Paint or Photoshop, etc.  Having the "proof strip" is essential to ward off any skeptics. 

To create this illusion, just draw what you see in the video by using a ruler to align the 2 appropriate lines.  Then draw the other lines, print it out and voila!  I recommend using the same colors that are in the video. 

For the proof strip, just cut a straight piece of paper that is long enough to cover up all of the lines.
ohh nut s i was wrong
<strong>ohhh I&nbsp;got it wrong!</strong><br />
me too i guessed red

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More by greeenpro:Mysterious Physics Ring Shady Ovals Optical Illusion The Confuzzle 
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