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The Secret Genius of Modern LifeEpisodes

    MotorwaySeries 3

    5/5Hannah drives to the National Highways control centre for the UK’s busiest motorway.

    DoorbellSeries 3

    4/5Hannah heads to Los Angeles to take a deep dive into doorbell history.

    RollercoasterSeries 3

    3/5Hannah Fry uncovers the wild origins of the modern-day rollercoaster.

    Air FryerSeries 3

    1/5Hannah looks at the air fryer – a device that is rapidly taking over people's kitchens.

    FridgeSeries 3

    2/5Hannah hits the production line to find the lifeblood at the heart of every fridge.

    LiftSeries 2

    6/6Hannah examines the lift, entering a 246m high lift shaft to test her fear of heights.

    HeadphonesSeries 2

    5/6Hannah Fry finds out how today's teeny earbud technology works.

    MicrowaveSeries 2

    4/6Hannah Fry discovers the hidden WWII radar technology that heats up baked beans.

    SmartphoneSeries 2

    3/6Hannah uncovers the technological game changers that have made the smartphone a reality.

    Vacuum CleanerSeries 2

    2/6Hannah takes a look at the vacuum cleaner, going behind the scenes with Dyson.

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