COLOR-FULL WORDS
'(<a href="http://www.j-archive.com/media/2008-11-06_J_08.wmv">Sarah of the Clue Crew points her remote, first at you, and then at her digital camera.</a>)  You don't see anything happening when you press your remote, but hold it up to a camera & you can see it's communicating to the TV using this spectrum of light'
infrared