Have you ever wondered how black lights, or mirrors work? This collection of articles will explain the workings of some of the most common inventions and innovations you come into contact with everyday.

How does an X-ray machine work?

X-ray machines are an indispensable part of medical diagnosis. Find out how they see right through you.

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  • How Fireworks Work

    How Fireworks Work

    If you've ever been to an aerial fireworks show, then you know that fireworks have a magic all their own. Ever wonder how they make such incredible colors and designs? Learn all about these pyrotechnics! See more »

  • How Hair Coloring Works

    How Hair Coloring Works

    Got a few grays? Just want a new look? Well, if you are like 75 percent of women, you're part of a billion dollar industry. Learn all about hair coloring and choosing the best color for you. See more »

  • How Instant Film Works

    How Instant Film Works

    Before digital cameras, you needed instant film to get instant pictures. With instant-film photography, you can watch the image slowly come together in a matter of minutes. While it seems like magic, the process relies on elements of science. Find ou See more »

  • How Lab-grown Skin Works

    How Lab-grown Skin Works

    A burn injury is one of the most devastating things a body can endure, and until recently, a serious third-degree burn meant certain death. Skin grown in a lab (yes, you read that right) improves the odds. See more »

  • How Light Sticks Work

    How Light Sticks Work

    You see light sticks everywhere during the holidays – especially Halloween. Have you ever wondered why these cool light sources glow? What's happening when you crack one? Take a look inside a light stick. See more »

  • How Paper Shredders Work

    How Paper Shredders Work

    Despite a ho-hum name, paper shredders have an extraordinary (and juicy) history featuring the likes of Oliver North, Enron and all sorts of spies. What story will thrust this commonplace technology back in the limelight next? See more »

  • How Pet Microchipping Works

    How Pet Microchipping Works

    Pet microchips are supposed to ensure recovery of your lost animal. But these chips have received as much opposition as they have praise. Find out when the devices work and when they fail. See more »

  • How Porta-Potties Work

    How Porta-Potties Work

    Using a portable toilet at an outdoor concert or festival might be disgusting. But it sure beats going in a field! Now, imagine if your job were to clean out those suckers. See more »

  • How Solar-powered Sunglasses Work

    How Solar-powered Sunglasses Work

    Most people wear sunglasses to protect their eyes -- or to just look cool. But are there possibilities for energy generation that we're missing out on? See more »

  • How Stethoscopes Work

    How Stethoscopes Work

    Stethoscopes started as a way for 19th-century doctors to put some distance between themselves and grubby patients. Today though, this simple listening tool is one of the best ways to diagnose a range of problems. See more »

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