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When sound waves strike the ear, these waves produce the sensation of sound. Let's take a look at how sound waves work.

Revisionist history can range from simply correcting a date to reconsidering the causes of a war. Learn why revisionist history is controversial.

Hardscaping is the yin to landscaping's yang: It's all the inanimate aspects of a lawn. Learn what hardscaping encompasses and more.

Rain barrels are containers designed to trap and store rainwater. Learn more about rain barrels and if one is right for you.

Cthulhu made his first official appearance in the short story 'The Call of Cthulhu,' written by H.P. Lovecraft in 1926. Read more about Cthulhu.

Many companies are outsourcing manufacturing and services to combat rising business costs. Learn about outsourcing at HowStuffWorks.

Learn what Microsoft has planned for the Ultra-mobile PC and what is still to come.

Dreams really can come true, gamers. Learn more about professional gaming from HowStuffWorks.

U.S. students haven't as quickly adopted the post-high-school gap year as their international counterparts. Learn about gap years at HowStuffWorks.

Nonhuman animals display some strange and surprising behaviors. Learn about 10 surprising behaviors observed in nonhuman animals.

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