11.   Other research projects under way across the United States and elsewhere aim to use augmented reality to aid everything from surgery to jet engine repair.

12.   Gerald Pitts, professor of computer science at Trinity University in San Antonio, said the Army is using virtual reality to train medics and doctors.

13.   Games that use virtual reality make users feel as if they are actually part of the game.

14.   Strickland noted that her attempt to use virtual reality with autism is in a very preliminary stage.