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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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.

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 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!


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