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The Secret Genius of Modern Life Series 2 Episodes

    Lift

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

    Headphones

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

    Microwave

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

    Smartphone

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

    Vacuum Cleaner

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

    Passport

    1/6 Hannah gains access to a site where staff work to make the British passport secure.