I saw the posting for optical illusions and had to share this with you all...
This is 3D Holophonic sound and only requires a left and a right headphone to work...who needs 5.1 sound when 2 speakers will do the job!!
....now imagine a cinema seat with a jack plug socket for you to plug your own headphones into....and a scary horror... :eekout
3D sound "Holophonics" ホロフォニクス (http://www.youtube.com/watch?v=wT1XuB95qMk#)