Hannah gains access to a top-secret site where anonymous staff and the latest tech work to make the British passport one of the most secure documents on the planet. Show more

Hannah Fry discovers the hidden WWII radar technology that heats up baked beans and learns the legend of the melted candy bar in an engineer’s pocket that kick-started a kitchen revolution. Show more

Hannah goes behind the scenes to look at the technology behind the lift, entering a 246m high lift shaft to test everything from the brakes to her own fear of heights. Show more

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. Show more

With rare access to electronics giant Samsung, Hannah uncovers the technological game changers that have made the smartphone a reality. Show more

Headphones: these marvels of miniaturisation are worn by 30 million people in the UK. Hannah Fry visits Bose to find out how the teeny earbud tech works and meets the human testers with ‘golden ears’. Show more