How Does a Laser Burn a DVD?

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Binary Code jQuery(document).ready(function(){ jQuery('#jsArticleStep1 span.image a:first').attr('href','http://i.ehow.com/images/a04/bd/07/laser-burn-dvd-1.1-800X800.jpg'); }); Like compact discs and other digital media, DVDs store data in binary code, a series of 1s and 0s that contains all the information necessary to reproduce a song or a video or a movie. Binary code is the same language that computers use to interpret and execute their programming; it's the bits and bytes that make all computer technology possible. Writing and Reading Lasers jQuery(document).ready(function(){ jQuery('#jsArticleStep1 span.image a:first').attr('href','http://i.ehow.com/images/a04/bd/07/laser-burn-dvd-2.1-800X800.jpg'); }); At its most basic, binary code tells a system to either be on (1) or off (0). On a DVD or CD, binary code is marked by either the presence or absence of reflective areas on the recording surface. A reflective area, if present, reflects the reading laser of a DVD player to an ... more
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