One of many companies demoing a gaze-following setup is Fujitsu, which is showing off a prototype desktop PC with a built-in sensor and infrared LED.
ENGADGET: Fujitsu eye-tracking tech uses built-in motion sensor, infrared LED for hands-free computing (video)
In this case, Richardson combined a couple of Arduino circuit boards with an infrared LED light -- that little red bubble on the front of your TV remote -- and programmed the whole thing to interact with a TV's closed-captioning system.
CNN: Hacked TV remote will auto-mute Snooki
The SBIRS team is led by the Infrared Space Systems Directorate at the U.S. Air Force Space and Missile Systems Center.
ENGADGET: First piece of SBIRS missile defense system launched, not shot down
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