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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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.


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 »

How Caterpillar Skid Steer Loaders & Multi Terrain Loaders Work

How Caterpillar Skid Steer Loaders & Multi Terrain Loaders Work

You know those loaders used in construction and landscaping that dig up and pick up EVERYTHING? Learn how these incredible machines work! See more »

How Diesel Locomotives Work

How Diesel Locomotives Work

Diesel locomotives are some of the coolest modes of transport out there. Giant machines like these are just full of technological treats. Explore a hybrid-diesel locomotive -- from engine to engineer controls. See more »

Where should I sit to get the best ride on a roller coaster?

Do certain cars in a roller coaster train give a better ride? Why? Which is the best car? See more »

How Caterpillar Backhoe Loaders Work

How Caterpillar Backhoe Loaders Work

You see backhoe-loaders on nearly every construction site around town. Learn how these amazing machines work and what they are able to do. See more »