Search Results |
Your search for "" returned 723 results
Do certain radio wave frequencies (like those used by cell phones) pose health risks?
electronics.howstuffworks.com/question4.htm
Do certain radio wave frequencies pose health risks? If so, is it safe to live within a quarter mile of a cellular phone tower or a radio antenna?
How Does a Camera Obscura Device Work?
electronics.howstuffworks.com/question131.htm
A pinhole camera is the simplest camera possible. To get a better understanding of how they work, read more about camera obscura principles.
How To Tell if Your Phone Is Tapped
electronics.howstuffworks.com/question250.htm
It's possible and relatively easy for someone to tap into your phone line or cell phone. With a few tips, it's also easy to tell if someone tapped your phone.
How do digital answering machines work?
electronics.howstuffworks.com/question21.htm
What exactly are the components of a digital answering machine? How does voice get recorded? And then, how is it played back on demand?
How does a long-distance call work?
electronics.howstuffworks.com/question354.htm
Today's computerized long-distance call systems are based on previous technologies. Learn the history of long-distance calling.
How does a self-winding watch work?
electronics.howstuffworks.com/gadgets/clocks-watches/question285.htm
Curious about how a self-winding watch works? Take a look at the mechanics inside a self-winding watch.
How does an EPIRB distress radio work?
electronics.howstuffworks.com/question351.htm
EPIRB helps rescuers locate you in an emergency situation, and these radios have saved many lives since their creation. Find out how EPIRB radios work.
How does an Indiglo watch work?
electronics.howstuffworks.com/gadgets/clocks-watches/question296.htm
When I push a button on my Indiglo watch, the entire face emits a green light. How does that work?
How does copy protection on a video tape work?
electronics.howstuffworks.com/question313.htm
How do VHS tapes prevent you from bootlegging a copy of a movie? Find out how Macrovision works.
How does the light gun for a video game work?
electronics.howstuffworks.com/question273.htm
How does a video-game light gun work? How does the game know where the gun is aiming?