Engines and construction equipment are all complex machines. How do some of these engines work, and how do they help us construct buildings and structures?

How Gears Work

Gears are a fundamental part of just about any mechanical object -- if it has a motor, engine or spring, it probably has gears! But what do they do, exactly, and how do they do it?

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  • How Maglev Trains Work

    How Maglev Trains Work

    Magnetic levitation trains, aka Maglev trains, are becoming a popular transportation topic all around the globe. How is it that maglev trains float above the track and achieve speeds of more than 300 mph? See more »

  • How Oil Tankers Work

    How Oil Tankers Work

    Oil tankers carry massive amounts of oil, gasoline and other petroleum products between ports. However, crewmembers must guard against explosions, pirates and more. See more »

  • How Radial Engines Work

    How Radial Engines Work

    A radial engine has a unique setup that makes it ideal for certain applications. Find out what makes radial engines different, how they operate and where they're used. See more »

  • How Ramjets Work

    How Ramjets Work

    Imagine whipping through the sky at thousands of miles per hour. This special type of jet engine can do exactly that. See more »

  • How Segways Work

    How Segways Work

    At first glance, it looks like a high-tech scooter. But people who have tried out the Segway claim that it is much, much more. Find out what's going on inside the Segway and what makes it so unique. See more »

  • How Steam Engines Work

    How Steam Engines Work

    Steam engines powered all early locomotives, steam boats and factories -- they fueled the Industrial Revolution. Learn how the steam engine produces power! See more »

  • How Steam Shovels Work

    How Steam Shovels Work

    Antique steam shovels can still be found rusting away at old mining sites or painstakingly restored and on display in museums the world over. How much do you know about these mammoth-sized digging tools? See more »

  • How Submarines Work

    How Submarines Work

    Not so long ago, the world's naval forces worked entirely above water. But all that changed with the addition of the submarine to the standard naval arsenal. See more »

  • How the Hyperloop Works

    How the Hyperloop Works

    Ready for a fifth mode of transportation? Elon Musk is. He's sketched out a proposal for a nearly supersonic transportation system that could shoot you from San Francisco to Los Angeles faster than you can watch an episode of "Game of Thrones." See more »

  • How Tower Cranes Work

    How Tower Cranes Work

    Tower cranes rise 150 feet in the air and lift up to 19 tons. Plus, they actually build themselves! They're simply amazing. Learn how these structures accomplish such feats. See more »

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