Electric Car | The Secret Genius of Modern Life
Hannah Fry discovers why innovations in meat packing almost derailed the electric car revolution and how a breakthrough in camcorder batteries led to Elon Musk's electric empire, as well as demonstrating how not to drive a multimillion dollar prototype car of the future.Tweet
Lift | The Secret Genius of Modern Life
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.
Headphones | The Secret Genius of Modern Life
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'.