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How Haptic Technology Works
Ever wonder how flat cell phone keys vibrate to let you know you've pressed a button? It's called haptics, and you can use it for lots more than just phones.
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How HDMI Works
HDMI is more than a port on the back of a TV. It's a set of rules for allowing high-definition electronic devices to communicate.
Motion Sensing Lights and Burglar Alarms
How can motion-sensing lights detect your presence, and what prevents them from seeing you when you're standing still? It all comes down to light.
How America's Army Works
The U.S. military has spent millions of dollars and thousands of man-hours on ... a video game. See why people are getting so worked up about it.
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HowStuffWorks Electronics answers your home theater system questions and more. Find explanations, reviews, videos and prices on cameras & photography, personal audio, home audio & video systems, and cell phones.
Business Electronics
Businesses depend on reliable electronics equipment to run efficiently. From e-payment to web conferencing, smart technology gives an edge in the marketplace. See more »
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Cameras & Photography
A good photo is part art, part science. Whether you like to manually focus and carry a slew of lenses in a Tamarac bag or go digital and let a high-tech camera do the work for you. See more »
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Gadgets
"Gadget" is a catch-all word these days for nifty devices. We've covered the basics, such as clocks & watches, plus delved into the world of present-day and future high-tech gadgets, such as digital jewelry and restaurant pagers. See more »
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Games & Gear
Video games have come of age as an entertainment medium and the technology continues to mature. Learn about how your favorite video game consoles work, and see what's on the gaming horizon. See more »
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Home Audio & Video
Home audio and video setups are as individual as the people who own them. At its most basic, a home theater includes a TV, some speakers and an audio/video source. Find out about the newest home theater components, and how they work together to give you a superior entertainment experience. See more »
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Personal Audio
For many, personal audio electronic devices such as iPods and other MP3 Players play a pivotal role in our individual entertainment lives. Many of us couldn’t imagine a walk to work or treadmill jog without one. See more »
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Phones
Telecommunications devices, including cell phones, satellite radio or Voice over IP, connect us to one another and to the world of information at our fingertips. Learn all about the technologies we depend upon for efficient communication. See more »
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Solid State Electronics
Solid State Components are the building blocks of today's technology. From batteries and circuit breakers to oscillators and microcontrollers, they make up the gadgets and machines that we use every day. See more »
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Trade Shows
The Consumer Electronics Show is THE place to view the newest high-tech gadgets each year. HowStuffWorks has been right there, covering the show, since 2001. See more »
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How Fiber Optics Work
Fiber-optic lines have revolutionized long-distance phone calls, cable TV and the Internet. It�s a really cool technology that enables the long-distance transmission of data in light signals, and it�s probably used in more ways than you think. Find out what "fiber optics" are and how they transmit light waves.
How HDMI Works
HDMI is more than a port on the back of a TV (and the often expensive cable that fits inside). It's a set of rules for allowing high-definition electronic devices to communicate.
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