Falco Enterprise 1 article published in JoVE Behavior Controlled Rotation of Human Observers in a Virtual Reality Environment Michael Falconbridge1, Phillip Falconbridge2, David R. Badcock1 1School of Psychology, University of Western Australia, 2Falco Enterprise The controlled physical rotation of a human observer is desirable for certain experimental, recreational, and educational applications. This paper outlines a method for converting an office swivel chair into a medium for controlled physical rotation in a virtual reality environment.