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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More than 100 years ago the Wright brothers made their historic first flight in Kitty Hawk, N.C. Even after all these years, their creation still boggles the mind: How can something so heavy take to the air?

By Marshall Brain, Robert Lamb & Brian Adkins

How do you start a gas turbine engine? What is the mechanism to begin the rotation of the large fan blades?

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

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Airline pilots have an amazing job with huge responsibilities. Learn what it's like to be a pilot and what it takes to make it in this highly competitive profession.

By Joel Freeman

For some in-flight routines and procedures, autopilots are even better than a pair of human hands. They don't just make flights smoother -- they make them safer and more efficient.

By William Harris

Oil tankers carry massive amounts of oil, gasoline and other petroleum products between ports. However, crewmembers must guard against explosions, pirates and more.

By Akweli Parker

Length, height and wingspan are all popular ways to rank an aircraft, but truly giant planes are often judged by their maximum takeoff weight. Which plane outlifts them all?

By Julia Layton

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Ball bearings can be found in a wide variety of machines and gadgets. If you take a look at one of them you may notice how perfectly smooth they feel and appear. How do they get like that? Find out how ball bearings are created in this article.

You see gears in just about anything that has spinning parts - car engines, transmissions, electric toothbrushes... Learn what these gears are doing and get to the bottom of the "gear ratio" concept!

By Marshall Brain

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

By Marshall Brain & Tom Harris

You've waited in line, and now it's time to board the roller coaster for the thrill ride of your life. If you're lucky enough to get to pick your seat, which car should you choose for the best ride experience?

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Higher, farther, faster: NASA's X-43A plane is destined to set new speed records. What sets the X-43A apart from other rocket-powered aircraft is that it is powered by a scramjet engine. Learn all about it.

By Kevin Bonsor & Sascha Bos

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.

By Karim Nice & Talon Homer

Inside an airport, luggage moves through an amazing and intricate system. The baggage handling system plays a crucial role in keeping travelers happy. Learn about these high-speed carts and conveyers.

By Karim Nice

Did you know that airports were once known as "flying fields" because planes took off and landed in large fields? Journey through the hidden world of airports in this article, but without the stress, nail-biting and packages of peanuts.

By William Harris & Craig Freudenrich, Ph.D.

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According to the Department of Homeland Security 730 million people travel on passenger jets every year. Are these folks safe? Find out how high-tech solutions are being used to make flying as safe as possible.

By Jeff Tyson & Ed Grabianowski

There are about 5,000 planes in U.S. airspace every hour. How do these aircraft keep from colliding with each other? Learn about the intricate system that guides a plane from takeoff to landing.

By Craig Freudenrich, Ph.D.

How did the guy in the next seat pay less for a ticket than you did? Explore how airlines work, how ticket prices are set and more.

By Kevin Bonsor

In an office that cruises a mile or more above the ground, being an airline crew member can be tiring, but rarely boring. Find out how pilots and flight attendants get you from gate to gate.

By Tom Harris

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Like trade ships of old, air-freight planes move anything that can be bought or sold. See how goods are shipped worldwide.

By Karim Nice

To most people a trip through customs is just another stop in an airport or a country's borders. But customs agencies do much more for their countries' governments. In fact U.S. Customs raises more revenue than any agency except the IRS. Find out why and how they do it.

By Tom Harris

At first glance, it looks like a high-tech scooter. But people who have tried out the Segway claim that it is much, much more. Find out what's going on inside the Segway and what makes it so unique.

By Tom Harris

The only passenger plane that flies faster than the speed of sound, and can get from New York to London in less than four hours, is calling it quits. Learn how this amazing plane works.

By Craig Freudenrich, Ph.D.

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It doesn't seem like twisted rope and wooden gears or levers would be able to produce the force and speed needed to launch heavy loads a great distance.

By Yara Simón

Although the amount of fuel may seem high, when you do the math, it's actually not so bad.

By Talon Homer