With the idea which Myron Krueger advocates in 1973, using the acoustic image equipment, it is the technology which artificially creates the sense for the real. Freely using the image acoustic equipment, the interaction of the human and the machine which are actualized (interaction) it was the language which it defines as one type of art, but presently the "virtual reality" (VR: Virtual Reality) It is used with as the same meaning. -> Referring tothe section of the virtual reality.