The Secret Genius of Modern Life - Season 2 - Eps 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. She reveals the World War I spy craft hidden in the pages of every passport and takes a look into how modern ID checks were shaped by the hunt for a 19th-century French serial killer and 1970s psychedelic art.
About The Secret Genius of Modern Life

Title: The Secret Genius of Modern Life
First Air Date: 2022-11-10
Last Air Date: 2025-04-02
Status: Returning Series
Rating: 5.9/10 (from 6 votes)
Language: EN
Seasons: 3
Total Episodes: 17
Network: BBC Two
Genres: Documentary
Production Companies: BBC Studios Science Unit
Synopsis
Hannah Fry uncovers the secrets behind the miraculous technologies of the modern world, revealing the mind-blowing stories behind their invention.