How Are Lasers Used in CD Players?

How Are Lasers Used in CD Players?

How Are Lasers Used in CD Players?

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Every CD player has a tiny laser inside.The purity and coherence of laser light makes it well-suited for sophisticated applications, including compact disc (CD) players. The light can be focused with extreme precision, allowing it to detect the microscopic pits that form the surface of... Recent Article published on 6/13/2010 by J T Barett

How to Change From Basic to Standard Cable TV Service

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Upgrade from basic cable and watch more than just antenna channels.Basic cable doesn't offer much more than a clear antenna that you never have to reposition. A monthly fee for an antenna at a low monthly price may not seem like a lot of money but, as the months go by, you will have spent more and more money on... Recent Article published on 6/13/2010 by JasonCooley

How to Develop Software for Blackberry

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Research in Motion's Blackberry operating system allows users to install third-party applications, as well as develop them. The application software that runs on Blackberry smartphones can be written in the Java programming language, and the... Recent Article published on 6/13/2010 by Nachiket Deshmukh

How to Convert Video to an iPod H264

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Convert your video files to MP4 before playing them on your iPod.The Apple iPod is a personal media device that plays H.264 video files. These files come in the MP4 file container and are the only video files the iPod can play. This means that all your video files need to be in this format before you can... Recent Article published on 6/13/2010 by Joshua Bailey

How to Make Your Own Ring Flash That Works Without a Hot Shoe

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A ring light flash provides an even "circle" of light that illuminates a subject being shot from directly in front. You can make a ring light flash that will fit over the existing flash already built into a camera to change the quality of the... Recent Article published on 6/13/2010 by Marshal M. Rosenthal

How to Fix a Torn Surround Stereo Speaker

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Typical speakerA speaker's surround ( the foam or rubber connecting the speaker cone to the speaker frame) can tear for a number of reasons--weathering, deterioration or overuse, to name a few. This causes the speaker to crack and severely reduces the speaker's... Recent Article published on 6/13/2010 by Sean Farmer

How to Convert Audio Cassetes to MP3

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CDs and digital music files, such as MP3s, have all but conquered the audio cassette. Still, many music lovers have entire audio cassette collections--some with albums that have never been re-released onto a more modern platform. Those who fear... Recent Article published on 6/13/2010 by Shawn Farner

How to Find a Telephone Number for a Line

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Caller ID displays the number of the party callingIf you have recently established a new telephone number, you may have forgotten it. Some phones will display your telephone number when the phone is turned on, while others will allow you to view your phone number using the "View Phone Number"... Recent Article published on 6/13/2010 by AndrewStickel

How to Listen to a WMA File on a Car Stereo

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Standard blank cdMany cars come standard with CD players installed in them, and for the ones that don't there are aftermarket replacements. These are great for listening to music on the go. Many standard and aftermarket CD players, though, can only play files in... Recent Article published on 6/13/2010 by Sean Farmer

Definition of Analog Camera

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An analog cameraIn general usage, an analog camera is simply one that is not a digital camera. But In a stricter sense an analog camera is one that uses film rather than some type of electronic sensor, such as a charge-coupled device (CCD) or a complementary... Recent Article published on 6/13/2010 by Gary MacFadden

Career Bobs

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