Transportation

The modern cruise ship is a marvel of engineering, towering many stories above the water and capable of carrying thousands of passengers across entire oceans. If you're interested in traveling on one of these floating behemoths, you've got plenty of options to choose from, and pretty much all of them are going to be big.

By Zach Taras

If you've traveled between the Americas to Europe or Asia, you're probably familiar with some of the longest nonstop flights available. These commercial flight routes across the Pacific and Atlantic Oceans can easily take over 10 hours to complete, but what is the longest flight in the world?

By Talon Homer

When it comes to the question of the fastest fighter jet, you can choose to compare only those fighter jets that are still in service, or you can consider every last jet fighter that's ever graced the skies - and we've chosen to go with the latter.

By Marie Look

Air travel is far more than getting from point A to point B safely. How much do you know about the million little details that go into flying on airplanes?

By Alia Hoyt

A Boston-based company plans to manufacture a supersonic business jet that will replace windows with video screens.

By Patrick J. Kiger

HowStuffWorks explains how physics helps animals get airborne.

Since 1948, more than 100 aircraft have gone missing while aloft and never been found. How is this possible? We'll look at some of these unsolved mysteries, as well as other bizarre airline mishaps.

By Patrick J. Kiger

Steampunk enthusiasts imagine an alternate version of history, where the dress code demands petticoats and suit vests and airships are the most romantic forms of all transportation.

By Alexander Davies

Flight has been a human dream for centuries. It wasn't until the dawn of the 20th century that man was finally able to leave the ground. This gallery highlights some of the milestones in aviation.

By Rick Mayda

Since prehistoric times, people have wanted to take to the skies. Trouble is, humans weren't meant to fly. Of course, that didn't stop some determined souls from trying.

By John Fuller

Your luggage gets "mishandled" by an airline and favorite pieces of your wardrobe, souvenirs and toiletries disappear into a black abyss. Or do they? Actually, your wardrobe is hanging out in Scottsboro, Ala., and it has some interesting company.

By Sarah Dowdey

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

By Karim Nice

If a device has a motor, engine or spring, it probably has gears! But what do gears do, exactly, and how do they do it?

By Karim Nice & Kristen Hall-Geisler

Bearings are the invisible heroes inside many mechanical devices. Learn about all different kinds of bearings, including 5-foot ball bearings that keep buildings on solid footing.

By Karim Nice

Magnetic levitation trains, aka maglev trains, can travel much faster than even bullet trains, with less environmental impact. But they're very expensive to build. So, what's the future of maglev trains?

By Kevin Bonsor & Nathan Chandler

Right around the fall months you may have heard the phrase 'punkin chunkin.' Have you ever wondered what exactly that is, or how the machines that launch pumpkins 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.

By Marshall Brain

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.

By Marshall Brain

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.

By Marshall Brain

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.

By John Zavisa

Not so long ago, the world's naval forces worked entirely above water. But all that changed with the addition of the submarine to the standard naval arsenal.

By Marshall Brain & Craig Freudenrich, Ph.D.

Afterburners allow a jet plane to take off from a short runway, such as the deck of an aircraft carrier. What, exactly, is an afterburner and how do they work? Learn the answer to this question in this article from HowStuffWorks.

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

Contrails are those long white clouds that form in the wake of an airplane flying at altitude. What causes these contrails and what are they made of? Learn the answer to this question in this article from HowStuffWorks.