Hannah Fry uncovers the secrets behind the miraculous technologies of the modern world,revealing the mind blowing stories behind their invention. Episode 1: Passport 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. Episode 2: Vacuum Cleaner Hannah Fry reveals the incredible tales behind the development of the contemporary world's marvelous technology and unearths their mysteries. 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. Episode 3: Smartphone With over six billion of them across the planet, smartphones have changed the modern world. With rare access to electronics giant Samsung, Professor Hannah uncovers the technological game changers that have made the smartphone a reality. Episode 4: Microwave Hannah Fry discovers the hid ...