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Hannah takes a look at the vacuum cleaner, going behind the scenes with Dyson and discovering how the motor in their latest vacuum spins nine times faster than that of a Formula One race car. She finds out why a wheezy janitor in the 1900s took inspiration from a sewing machine to create the first popular portable vacuum. And she comes face to face with a colony of creepy crawlies whose job is to help us fight the filth. Presenter: Hannah Fry Release Year: 2022 Genres: Documentary, Science Age Rating: U/A 13+ Audio Language: English, Hindi, Tamil, Telugu Subtitles: English
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