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Science | Transportation | Engines & Equipment

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?

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How Cement Mixers Work

Few are unfamiliar with the mixer trucks that transport concrete from the factory to the construction site. How do they keep that stuff from hardening while they move?


How does a water cannon work?

 How does a water cannon work?

A water cannon can squelch a roaring apartment fire or even stop a prison riot. Find out how a water cannon can generate such extraordinary force. See more »

How Jet Packs Work

 How Jet Packs Work

Thanks to several technological advancements, are jet packs closer than ever to becoming a reality for the average person? Find out how jet packs work. See more »

 What's the Segway recall about?

Segway Inc. announced on Thursday that it's recalling all of the scooters it has sold since the Segway went on the market in 2002. See more »

ATV Factory Tour

 ATV Factory Tour

What does it take to build an ATV? We visited the Suzuki Manufacturing of America Corporation ATV factory in Rome, Georgia to find out. 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 Elevators Work

 How Elevators Work

In action movies, elevators regularly plummet to the basement, landing in a spectacular ball of fire. Is this possible? Find out what keeps elevators riding smoothly. See more »

How Escalators Work

 How Escalators Work

You probably ride escalators all the time, but do you know how they move, and flatten, and keep the handrail in synch with the steps? Find out exactly what is going on inside an escalator. See more »

How Segways Work

 How Segways Work

The Segway is a potentially revolutionary personal transport device. Learn about the Segway, its capabilities and how it compares to a conventional car. See more »

How Fire Engines Work

 How Fire Engines Work

We see them all the time, but do you ever think about everything these machines do? A fire engine is a combination personnel carrier, tool box and water tanker. Learn all about this amazing 3-in-1 machine. See more »

 How Hydraulic Cranes Work

Hydraulic cranes perform seemingly impossible tasks, lifting 70-ton objects with absolute ease. See the simple design behind the Herculean results. See more »