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?

Featured
How do they get the balls in ball bearings so perfectly round and smooth?

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.


How Ramjets Work

How Ramjets Work

Ramjets enable aircraft to whip through the air at incredible speeds. Learn more about ramjets at HowStuffWorks. See more »

How the Hyperloop Works

How the Hyperloop Works

The Hyperloop could replace bullet trains and revolutionize transportation just as the train, plane and automobile did. Read more about the Hyperloop. See more »

Oops! The Great Mechanical Recalls Quiz

Oops! The Great Mechanical Recalls Quiz

A mechanical product recall is bad news for consumers and for manufacturers. Test your knowledge of the biggest mechanical product recalls with this quiz. See more »

Rolling Reactions: The Car Chem Quiz

Rolling Reactions: The Car Chem Quiz

Cars reveal a thing or two about chemistry, and we have the quiz to prove it. Test your knowledge of car chemistry with this quiz. See more »

Quiz: Robots That Move Us

Quiz: Robots That Move Us

Robots move us all the time, whether by guiding an assembly line or steering cars down the highway. Test your knowledge of robots that move us with this quiz. See more »

8 Benefits of High-speed Trains

8 Benefits of High-speed Trains

How much do you know about high-speed trains? Keep reading to discover 8 Benefits of High-speed Trains. See more »

How does public transportation help the environment?

How does public transportation help the environment?

How does public transportation help the environment? Keep reading to learn about public transportation and how it affects the environment. See more »

How Cement Mixers Work

How Cement Mixers Work

How do cement mixer trucks keep their cargo from hardening while they drive? Read about cement mixers at HowStuffWorks. See more »

How Steam Shovels Work

How Steam Shovels Work

Steam shovels were large excavating machines powered by steam. Learn about the technology behind steam shovels. See more »

Fact or Fiction: Forklifts

Fact or Fiction: Forklifts

Forklifts are an important part of our manufacturing industries. See if you can separate fact from fiction in this forklift quiz. See more »