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How Semiconductors Work
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Semiconductors form the heart of modern electronics. Learn about semiconductors, silicon, doping, diodes and other fascinating technologies.
What's a mystery clock?
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Mystery clocks represent that enigmatic intersection between horology and magic. What makes mystery clock's floating hands move and keep time so well?
How Fabric Displays Work
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Fabric displays are revolutionizing the marketing and fashion industries by incorporating LED lights into the fabric. Learn more about fabric displays.
How does an Indiglo watch work?
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When I push a button on my Indiglo watch, the entire face emits a green light. How does that work?
How Transistors Work
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The transistor moved the world from power-hungry vacuum tubes to portable solid-state electronics. Learn about transistors and how they changed electronics.
10 Types of Microphones
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Microphones have been around in some form for more than 150 years. Modern mics incorporate fiber optics, microchips, and even lasers to suit a variety of audio needs.
How Wind-turbine Chargers Work
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Wind turbine chargers are great travel gadgets. Learn more about wind turbine chargers at HowStuffWorks.
Inside a Tennis Ball Launcher
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Tennis ball launchers can help you practice your swing, but how do they work? See these inside a tennis ball launcher pictures to find out.
How Radio Works
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Radio waves are the backbone of nearly all modern media technology, from TV to smartphones to wireless internet. Yet, they're actually a simple technology.
How the Dallas Cowboys Scoreboard Works
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The Dallas Cowboy's scoreboard is the biggest HDTV around. Learn about this huge screen and why the Dallas Cowboy's scoreboard makes opposing teams angry.