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On television, how does closed captioning work?
electronics.howstuffworks.com/question427.htm
On television, how does closed captioning work?
How LCDs Work
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Learn about LCD technology, get LCD buying tips, read LCD reviews and compare prices and features on popular LCD models.
How do the battery testers on battery packages work?
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How do the battery testers on battery packages work?
How does Caller ID work?
electronics.howstuffworks.com/question409.htm
How does caller ID work on a telephone? Learn how caller ID systems work.
How does a fiber optic cable work?
electronics.howstuffworks.com/question402.htm
Fiber optic lines have taken over and transformed the long distance telephone industry. Learn how fiber optic lines work.
What do the little boxes that the phone company has around our neighborhood do?
electronics.howstuffworks.com/question400.htm
If you have underground phone wiring in your neighborhood, you'll see many of these little boxes. Learn how underground phone wiring works.
Why do batteries seem to go dead and then come back to life if you let them rest?
electronics.howstuffworks.com/everyday-tech/question390.htm
Why do batteries seem to go dead and then come back to life if you let them rest? Learn about dead batteries and battery life.
How does a vibrating cell phone or pager work?
electronics.howstuffworks.com/question368.htm
I have both a pager and a cell phone that vibrate instead of ringing when I get a call. How does that work?
10 Types of Microphones
electronics.howstuffworks.com/gadgets/audio-music/question309.htm
Microphones have been around in some form for more than 150 years. Modern mics incorporate fiber optics, microchips, and even lasers to suit a variety of audio needs.
CCD vs. CMOS Censor: What’s the Difference?
electronics.howstuffworks.com/cameras-photography/digital/question362.htm
CCD and CMOS image sensors both convert light to electrons in a digital camera. Learn the differences between CCD and CMOS sensors.