Search Results | radio
Your search for "radio" returned 1,707 results
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.
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 Radio Controlled Toys Work
science.howstuffworks.com/rc-toy.htm
RC toys come in many varieties from cars to robots. Learn about the parts of a radio controlled toy and see how RC toys operate without the aid of wires.
How is my radio able to display the stations call letters?
electronics.howstuffworks.com/question323.htm
If you have a car radio that shows FM station call signs on the display panel, then you have the Radio Data System feature. Find out how they work!
How a 'War of the Worlds' Radio Broadcast Panicked America
entertainment.howstuffworks.com/arts/literature/war-of-the-worlds.htm
The 'War of the Worlds' radio broadcast on Oct. 30, 1938 is one of the most famous in history, mainly because Americans believed aliens were invading.
How Top 40 Radio Works
entertainment.howstuffworks.com/top-40.htm
If you grew up listening to Casey Kasem's Top 40, you probably waited with bated breath to find out which song made it to no. 1 that week. Well, the Top 40 is still around. Learn how a song makes it into that elite list.
What is low-power FM LPFM?
electronics.howstuffworks.com/question330.htm
The FCC has adopted rules creating a non-commercial FM radio (LPFM) service. Learn how a school or individual can start one of these radio stations.
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.
How RFID Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/rfid.htm
RFID is a tracking system that uses intelligent bar codes to track items in a store. Learn more about RFID and find out how smart labels work.
Why is a cell phone called a cell phone?
electronics.howstuffworks.com/question582.htm
One of the most interesting things about a cell phone is that it is really a radio. Find out why cell phones are named as they are.