FAYETTEVILLE, Ark., Oct. 7 -- The University of Arkansas issued the following news release:

In an operating room at the University of Arkansas for Medical Sciences in Little Rock, Beau "Rocky"Aguilar stands at a table of surgeons and medical students holding an Xbox controller.

Aguilar, a doctoral student in mechanical engineering at the U of A, reprogrammed the controller to run a pumping system he built in Fayetteville. On the echocardiogram, heart valves open and close. On the table, a heart beats.

"Seeing the valves open and close was absolutely remarkable," Aguilar said. "The doctors were just so happy. It produced unrivaled fidelity."

This simulator could make heart surgery safer as surgical trainees prepare under more realistic c...