Microwave | The Secret Genius of Modern Life
Hannah Fry discovers the hidden WWII radar technology that heats up baked beans, learns the legend of the melted candy bar in an engineer's pocket that kick-started a kitchen revolution, and puts her life on the line to demonstrate why microwaves zap food but not people!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'.