In 1969-1970, Ivan Sutherland brought together theory and practice to produce the first "head-mounted displays." The modern technology of virtual reality developed from there.
作者伊凡．蘇瑟蘭隨即在一九六九年到一九七○年間，結合理論和實務，發明第一個頭戴型立體顯示器，虛擬實境的現代技術從此開展。