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How Electricity Works

science.howstuffworks.com/electricity.htm

Electricity surrounds us and can be used thousands of different ways. Learn about the basics of electricity, from generators and electrical circuits to voltage and currents.

What will speed mean in the future?

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Speed in the future will be realized by a varied assortment of fuels and power sources. Read about speed and the future and how it's being tested today in Utah.

Can you make a rocket engine using hydrogen peroxide and silver?

science.howstuffworks.com/question159.htm

At a drag race, I once saw a rocket car that was supposedly powered by spraying hydrogen peroxide on a silver mesh. The resultant reaction produced huge amounts of pure white smoke and apparently enough thrust to propel the car rapidly down the track. Does hydrogen peroxide really react with silver that way?

What Does 2.4 Liter Mean in the Context of an Engine?

auto.howstuffworks.com/question685.htm

This may sound silly, but on the back of my car there is a little sign that says "2.4 liter," and every morning I see that and wonder "What does that mean?" So what does it mean?

Can You Identify These Cool Cars From the '00s?

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After all the hype that was Y2K, the 2000s had some pretty big shoes to fill! Reality television programs ruled the airwaves, and the streets were full of high-tech new introductions. Can you identify some of the coolest cars released post Y2K?

How Yo-Yos Work

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Yo-yos can be traced back at least 2,500 years. It's a toy with true staying power, and it has lately gone high-tech -- ever heard of a yo-yo with a clutch? Learn about yo-yo physics, yo-yo tricks, yo-yo history and some serious upgrades in yo-yo design.

Are there CO2 emissions from natural gas?

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Until recently, natural gas was thought of as one of the cleanest fossil fuels. Yet new studies say it may be worse for the ozone layer than coal -- a fuel well-known for its harmful emissions.

What does the computer in a car do?

auto.howstuffworks.com/under-the-hood/trends-innovations/question113.htm

What does the computer in a car do? What was the Y2K scare about our cars starting?

How the Steam Locomotive and Steam Technology Work

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Steam technology works to harness the power of steam in order to perform work. Learn about steam technology and some steam technologies.

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