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What are other ways to store energy besides batteries?

Batteries are a common way to store energy, but there are many others. Discover more energy storage techniques, from falling weights to fuel cells, in... Read more

February 27, 2015 | 4 min

How does the common cold work?

We've all had a cold at one point or another; it entails an uncomfortable cocktail of symptoms like sneezing, coughing and a runny nose. But why do we... Read more

February 25, 2015 | 2 min

How do dry chemical fire extinguishers work?

Three elements create a fire. Discover what they are and how dry chemical fire extinguishers combat them in this podcast from HowStuffWorks.com.

February 23, 2015 | 3 min

Where does aluminum come from?

Aluminum is both lightweight and strong, so it's no wonder that space stations, airplanes and thousands of other products use this metal. But where do... Read more

February 20, 2015 | 5 min

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