How Light Bulbs Work
Auto Theory
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While light bulbs might seem trivial, simple things to talk about, relatively few people really know the complex physics process that takes place when a lamp turns on. These commonplace items haven't significantly changed since the days of Thomas Edison, but they are nonetheless marvels of science. We thought it appropriate to explain this process in a little detail
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The Tachometer
Auto Theory
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Tachometers have been around for a long time. Devices to count revolutions were used on water wheels, steam engines and many other rotating machinery devices for the purpose of maintaining safe speeds
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Body Filler - What Is It?
Auto Theory
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Ever wonder what Bondo (the body filler brand name turned generic), is made of and how it works? We did a little investigating into its makeup, and here's what we found
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How A Car Horn Works
Auto Theory
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A car horn is (well, it was before the age of electronic devices) a very simple electromechanical device that uses the principle of electromagnetism to create noise
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Catalytic Converters
Auto Theory
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The first cars that first started using catalytic converters are now 30 years old, making them easy candidates for "antique" or "collector car" status. Since some of us are now - or will be shortly - collecting these vehicles it's high time we explain how the converters work
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