Explore how the use of natural and manmade materials further technology. Read articles on subjects such as nanotechnology, iron steel and reverse osmosis.

How a Cold Heat Soldering Iron Works

As an invention, Cold Heat seems to have everything. But reviewers -- both professionals and average users -- either love the tool or hate it, and some people question whether it's really "new" at all.

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  • How Rubber Works

    How Rubber Works

    Charles Goodyear was obsessed with this stretchy material, and we are, too. It's weatherproof, shockproof and entertaining, and it's found in more products than you can shoot a rubber band at. See more »

  • How Steam Technology Works

    How Steam Technology Works

    Steam technology powered the Industrial Revolution, transformed the global shipping industry and revolutionized modern warfare. But how do steam engines actually harness the power of steam? See more »

  • How Sword Making Works

    How Sword Making Works

    The centuries-old art of sword making involves incredibly intricate metal work, and it's still being practiced today. Get a rare glimpse into the creation of this ancient weaponry. See more »

  • How Timber Works

    How Timber Works

    Log cabins may be a historical footnote and fossil fuels may reign supreme, but forests remain critical natural resources. What does the future hold for Paul Bunyan's favorite industry? See more »

  • How Ultrasonic Welding Works

    How Ultrasonic Welding Works

    You probably know that high pitched or high frequency sounds can break materials apart. But did you know that high frequency sounds can be used to bond materials together? See more »

  • How Welding Works

    How Welding Works

    For a process that simply bonds two pieces of metal, welding affects a lot of our world and some stuff that's out of this world, like the International Space Station. What's it like to man the torch? See more »

  • Really Rad Reverse Osmosis Quiz

    Really Rad Reverse Osmosis Quiz

    Reverse osmosis is a process that can be used to separate two substances. Take this quiz to test your knowledge of reverse osmosis and how we use it. See more »

  • Sticky Business: The Kinesiology Tape Quiz

    Sticky Business: The Kinesiology Tape Quiz

    Are you stuck on kinesiology tape? Do you have an ache or sports injury that might benefit from this form of physiotherapy? Test your knowledge of k-tape and how to use it with this quiz. See more »

  • The Ultimate Dyneema Quiz

    The Ultimate Dyneema Quiz

    Dyneema is trademarked as the world's strongest fiber and is used for a wide variety of applications, especially in life-threatening situations. Think you know how strong Dyneema is and how it works? Then take the ultimate Dyneema quiz! See more »

  • The Ultimate Ultrasonic Welding Quiz

    The Ultimate Ultrasonic Welding Quiz

    Ultrasonic welding is used widely in many industries -- including shoe manufacturing and auto making. How well do you know how this method uses sound to do what high temperatures normally do. Test your knowledge now. See more »

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