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Science | Physical Science | Electricity

Electricity is a major force of nature. In this section, you can learn how electricity works and what its potential uses are.

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What are the different electrical insulators?

Electrical insulators are materials that don't conduct electricity because the electrons in the atoms of which they're made don't move around. Learn what the different electrical insulators are in this article.


Shock to the System: Famous Electrocutions

 Shock to the System: Famous Electrocutions

Electrocutions were developed to take advantage of the power of electricity. Test your knowledge of famous electrocutions with this quiz. See more »

 What is voltage?

Voltage is how we measure the difference in electric potential energy. Learn about what voltage is from this article. See more »

 What are the different electrical insulators?

Electrical insulators are materials that don't conduct electricity because the electrons in the atoms of which they're made don't move around. Learn what the different electrical insulators are in this article. See more »

How to Read a Power Meter

 How to Read a Power Meter

How to read a power meter. Visit HowStuffWorks.com to learn more about how to read a power meter. See more »

How Faraday Cages Work

 How Faraday Cages Work

Faraday cages shield their contents from static electric fields. Learn how Faraday cages work and how they are used for a variety of purposes. See more »

The Fabulous Faraday Cage Quiz

 The Fabulous Faraday Cage Quiz

Faraday cages shield their contents from static electric fields. Test your knowledge of Faraday cages with this quiz. See more »

How are voltage surges and spikes different?

 How are voltage surges and spikes different?

What happens when there's too much voltage? Learn about the difference between voltage surges and spikes from this article. See more »

How Electricity Works

 How Electricity Works

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. See more »

How Gasoline Works

 How Gasoline Works

Without gasoline, the world as we know it would grind to a screeching halt. The U.S. alone consumes well over a hundred billion gallons of gasoline per year. Learn all about this vital fuel. See more »