Indy 500 Tech - HISTORY

The Indianapolis Motor Speedway, home of the legendary Indy 500 auto race, opened in 1909. Go behind the scenes at the place where the need for speed is an obsession, and explore the awe-inspiring cars that race there.

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In this video clip of Modern Marvels - Toilet Tech, find out the history the toilet. See how toilets were invented during the Roman Empire and then slowly progressed into the chamber pot and then the outhouse. Also, learn how present day toilet makers are making the toilets much more water efficient to help save the environment.

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