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How Steel Works
On the HowStuffWorks show, we aim to explain the whole world -- but let's start with the basics and work our way up. Salt, rubber, beer, timber -- or how about this one, from this week's episode: How Steel Works.
this week on the howstuffworks tv show
How Skyscrapers Work
People build skyscrapers primarily because they are convenient -- you can create a lot of real estate out of a relatively small ground area. They're also awe-inspiring. Skyscrapers capture our imagination -- how high can we build them?
How Plastic Works
Plastics can be shaped or molded into any form, and they're everywhere -- in your car, computer, toys and even bubble gum. But because they don't degrade, they cause big problems when it's time to throw them out.
How Roller Coasters Work
They don't have engines, brakes or accelerators. No, these amazing machines rely on physical, centripetal and gravitational forces to yield thrills, screams and that sinking stomach feeling we all love (and hate).
Steel
Skyscraper
Plastic
Roller Coaster
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Episode 3: How Timber Works
Log cabins may be a historical footnote and fossil fuels may reign supreme, but forests remain critical natural resources. What does the future hold for Paul Bunyan's favorite industry?
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Episode 6: How Transparent Aluminum Armor Works
Bullet-resistant glass seems flimsy once you compare it with transparent aluminum armor. Will this new heavy-duty material soon be shielding soldiers and police officers?
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Most of us think of water as the healthiest drink in the world. But in abnormal amounts, it can actually cause death. How can a liquid you need to stay alive end up killing you?
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Episode 7: How Organic Food Works
Organic food promises freedom from synthetic ingredients. Find out what organic food is, how organic farming works, what the pros and cons are, and why you should care.
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Episode 5: How Alcohol Works
About two-thirds of all adults partake in this mind-altering substance, yet many do not consider it a drug. But if you've ever seen someone who's had too much to drink, you know that alcohol has profound effects on the mind and body.
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Episode 8: Why does caffeine keep you awake?
Caffeine effects include an increase in your heart rate and an increased level of alertness. Learn more about some of the different caffeine effects.
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Quiz
Test your iron knowledge
One could safely say that we've built civilization itself on iron and its seemingly infinite uses. From early tools to trains, iron is responsible for thrusting humanity into rapid advancement. But how much do you know about the extraction process?
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