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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?

Does private transport have a future?

Science-fiction movies like "Minority Report" show people taking individual public transportation to get around the city. Would people ever give up their cars for a less-convenient mode of travel?

What is a punkin chunkin?

A punkin chunkin is explained in this article. Learn about a punkin chunkin. See more »

How Maglev Trains Work

Magnetic levitation trains are becoming a popular transportation topic all around the globe. Learn about electromagnetic suspension, the most popular type of maglev train. See more »

How Bearings Work

Bearings are the invisible heroes inside many mechanical devices. Learn about all different kinds of bearings. See more »

How Submarines Work

Submarines are essentially containers that hold people and air. Learn how these remarkable vessels dive, surface and maneuver through the ocean. See more »

Since a torpedo cannot have an air-breathing engine like a boat, how is it propelled through the water? See more »

How does the ancient catapult work? It doesn't seem like twisted rope and wooden gears or levers would be able to get up the speed to launch heavy loads a great distance. See more »

How does a water-cooled air conditioner work? See more »

What is a tank engine, as in Thomas the Tank Engine?

You may have heard about 'Thomas the Tank Engine.' But what is a tank engine exactly? Find out. See more »

How do the engines breathe in diesel submarines? Don't internal combustion engines need a lot of oxygen to run? Where would all of this oxygen come from when the sub is underwater? See more »

What causes a 3-pole motor to spin one way and not the other? Visit HowStuffWorks to discover what happens with a 3-pole motor. See more »