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Transportation

Many of us take public transportation or fly in airplanes on a regular basis, but have you ever wondered how all of these things work? This collection of transportation articles help explain how people get from place to place.

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What force causes a 3-pole motor to spin one way and not the other?

There is a force that causes a 3-pole motor to spin in one direction and not the other. What exactly is this force and how does it prevent the motor from spinning in another direction. Find out the answer to this question in this article from HowStuffWorks.

Do commercial jets have locks on the doors and ignition keys?

Do commercial jets have locks on the doors and ignition keys? If not, what keeps someone from stealing them?

How does the toilet in a commercial airliner work?

When flushing the toilet in a passenger airplane, I'm amazed by the huge noise it makes -- like a powerful vacuum cleaner. Can you explain what makes this noise?

How does a hydraulic ram pump work?

When I was a kid, my Aunt had constantly flowing water from a natural spring down the hill. She said the water was pumped uphill using a hydraulic ram. This device ran constantly and didn't need any electricity! What is a hydraulic ram and how does i

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!

How Helicopters Work

The marvel we know as the helicopter began as a Chinese top consisting of a shaft -- a stick -- adorned with feathers on one end. They now buzz around the skies providing emergency medical assistance and your daily traffic report. Are you ready to meet the most versatile flying machines in existence today?

How Hydraulic Machines Work

Ever gaze in wonder at the huge cranes, bulldozers, backhoes, loaders, shovels and fork lifts on a construction site? Find out all about hydraulic machines, from backyard log splitters to big construction equipment.

Inside a Competition Tractor

Tractor pulls are popular displays of raw horsepower.The trucks used in these competitions use engines that are capable of producing thousands of horsepower.

How a Block and Tackle Works

A fascinating article that describes how a block and tackle (as well as levers and gears) works!

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.

How Gas Turbine Engines Work

Ever wonder what's happening inside that huge jet engine as you're cruising along at 30,000 feet? Jets, helicopters and even some power plants use a class of engine called gas turbines, which produce their own pressurized gas to spin a turbine and create power.

How Two-stroke Engines Work

A car engine uses a four-stroke cycle -- how can two strokes accomplish the same tasks? Learn all about the two-stroke engine, where it's used and how it compares to a four-stroke.

How Van de Graaff Generators Work

Were these things invented to make your hair stand on end? Find out how Van de Graaff generators create static electricity and why they were invented in the first place.

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