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How Tape Recorders Work
electronics.howstuffworks.com/gadgets/audio-music/cassette.htm
Magnetic recording is the backbone of the electronics revolution. Learn how this analog technology lets you store and erase data!
How VCRs Work
electronics.howstuffworks.com/vcr.htm
How can six hours of video fit on a $2 tape? The VCR may be yesterday's tech, but it's still a mechanical marvel. Take a look inside!
How the Radio Spectrum Works
electronics.howstuffworks.com/radio-spectrum.htm
AM radio, FM radio, CB radio... These are all different chunks of the radio spectrum. Find out about the thousands of different uses for radio waves!
How the UPC Code Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/upc.htm
Nearly every item that you purchase from a grocery store, department store, or mass merchandiser has a UPC code on it somewhere. Ever wondered why? Let's find out how the average UPC code works!
Inside a TV Remote Control
electronics.howstuffworks.com/inside-rc.htm
A fascinating look inside a TV's remote control (including the printed circuit board)!
Inside a Wind-up Alarm Clock
electronics.howstuffworks.com/gadgets/clocks-watches/inside-clock.htm
A fascinating look inside a wind-up alarm clock!
What Is a Quartz Watch?
electronics.howstuffworks.com/gadgets/clocks-watches/quartz-watch.htm
Quartz watches actually use quartz crystals to keep time. How can they be so accurate? Find out why quartz makes such a great time keeper.
When Were CDs Invented, and How Do They Work?
electronics.howstuffworks.com/cd.htm
The advent of compact discs brought about digital storage and made pinpointing data a split-second task. But when were CDs invented, and how exactly do they work? Read on to get some answers!