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How LCD Projectors Work
electronics.howstuffworks.com/lcd-projectors.htm
LCD projectors are great for playing movies on large screens. Find out what you need to know about LCD projectors and how they work.
How Remote Controls Work
electronics.howstuffworks.com/remote-control.htm
In WWII, remote controls detonated bombs for the first time. Now some of us spend an hour looking for the remote before we remember there are buttons on the TV. Find out the difference between a "universal" and a "learning" remote and check out some of the other high-tech features you can find on remotes today.
Speaker Sensitivity Explained
electronics.howstuffworks.com/how-to-explain-speaker-sensitivity.htm
Speaker sensitivity is a measure of the relationship between the power input and the sound output. Learn how speaker sensitivity works and how to measure it.
How Wind-up Cell Phone Chargers Work
electronics.howstuffworks.com/gadgets/travel/wind-up-cell-phone-chargers.htm
Wind-up cell phone chargers are popular travel gadgets. Learn more about wind-up cell phone chargers at HowStuffWorks.
What Does HDMI Stand for? Here's How HDMI Works
electronics.howstuffworks.com/hdmi.htm
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.
Can You Use Your Phone on a Plane? Furthermore, Should You?
electronics.howstuffworks.com/tech-myths/cellphone-call-on-flight.htm
What's the real reason you can't make a phone call during a flight? Is there really any interference between the aircraft equipment and your cellphone signal?
How Digital Cameras Work
electronics.howstuffworks.com/cameras-photography/digital/digital-camera.htm
Digital cameras produce instant photos that you can print or share online. Learn how digital cameras work and read reviews of the best digital cameras.
How Thermal Imaging Works
electronics.howstuffworks.com/thermal-imaging.htm
Thermal cameras take photos of heat, rather than visible light. Find out how temperature is captured as an image.
How Cell Phone Jammers Work
electronics.howstuffworks.com/cell-phone-jammer.htm
A cell phone jammer allows people to exploit the vulnerability of the radio spectrum to silence blabbering offenders. See how cell phone jammers work.
How SED-TV Works
electronics.howstuffworks.com/sed-tv.htm
Learn how the SED-TV combines the picture quality of a CRT with the compact design of a flat-screen plasma display.