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Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

What gives a Harley its distinctive sound?

September 7th, 2009

Episode 376 of 1126 episodes

A Harley Davidson motorcycle emits a very distintive sound because of the unique way its engine works. Find out more in this podcast from HowStuffWorks.com.

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