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What's the Difference Between Analog and Digital Technology?
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Can you explain the basic difference between analog and digital technology?
Why Does the Phone Still Work When the Electricity Goes Out?
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The power goes out fairly often for most people, but your telephone, is always working. Learn why the phone works even when the electricity goes out.
Why am I not allowed to use my cell phone in airplanes or hospitals?
electronics.howstuffworks.com/question230.htm
Electromagnetic interference can create problems in some equipment in airplanes and hospitals. Learn about electromagnetic interference from cell phones.
Why do CDs reflect rainbow colors?
electronics.howstuffworks.com/question52.htm
Like soap bubbles and grease slicks, CDs reflect rainbow colors. What makes this happen?
Why do people have red eyes in flash photographs?
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Why do people have red eyes in some flash photographs? Take a look at the science behind why red eyes happen.
Why do you hear some radio stations better at night than in the day?
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Have you ever noticed a difference in the quality of radio signals depending on the time of day? See how radio signals and the Earth interact.
How Analog and Digital Recording Works
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Learn about analog and digital recording and shop for related products.
How Autofocus Cameras Work
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Ever wonder how your camera knows what you're looking at? Understand how autofocus cameras lock on to the object you're photographing!
How Batteries Work
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Batteries power the appliances you use daily. Check out battery experiments, the history of batteries, battery reactions and the chemistry behind battery power.
How Chess AI Works
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AI chess programs calculate their game plan based on formulas - algorithms that determine whether a position is "good" or "bad." But how do they really work?