Science | Transportation | 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?

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How Gear Ratios Work

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


How Forklifts Work

How Forklifts Work

Forklifts are a necessary tool in most warehouses, shipping depots and manufacturing facilities. Learn how forklifts work. See more »

Does private transport have a future?

Does private transport have a future?

Private transport is a concept that has been featured in science-fiction movies. Learn about private transport in this article from HowStuffWorks. See more »

How Oil Tankers Work

How Oil Tankers Work

Oil tankers are large ships that transport oil all over the world. Learn about oil tankers in this article from HowStuffWorks. See more »

How Trains Work

How Trains Work

Trains act as a major form of transportation worldwide. Learn how trains evolved from horse-drawn carts to the high-speed sleek railways of today. See more »

Everyday Science: Gear Quiz

Everyday Science: Gear Quiz

The gear quiz will test your knowledge of gears and they work. Find out how much you know by taking the gear quiz. See more »

The Ultimate Hydraulic Machines Quiz

The Ultimate Hydraulic Machines Quiz

This hydraulic machines quiz will test your knowledge of how fluid is capable of lifting extremely heavy loads. Check out our hydraulic machines quiz. See more »

How does a water cannon work?

How does a water cannon work?

A water cannon can squelch a roaring apartment fire or even stop a prison riot. Find out how a water cannon can generate such extraordinary force. See more »

How Jet Packs Work

How Jet Packs Work

Thanks to several technological advancements, are jet packs closer than ever to becoming a reality for the average person? Find out how jet packs work. See more »

What's the Segway recall about?

Segway Inc. announced on Thursday that it's recalling all of the scooters it has sold since the Segway went on the market in 2002. See more »

ATV Factory Tour

ATV Factory Tour

What does it take to build an ATV? We visited the Suzuki Manufacturing of America Corporation ATV factory in Rome, Georgia to find out. See more »