The Secret Military Weapon Hiding in Your Kitchen

It sits in almost every kitchen on Earth, but its story doesn't start with a home appliance company. It begins in the heat of World War Two, with a top-secret military weapon that was crucial to winning the war. In this episode of Blueprint, we declassify the incredible true story of the microwave oven. Join us as we uncover the journey of the cavity magnetron, a piece of advanced radar technology that hunted enemies in the dark, and the self-taught genius who discovered its secret power thanks to a melted chocolate bar. From a 750-pound commercial failure to the kitchen staple we can't live without, this is the story of how an accidental discovery and two decades of innovation changed dinner forever.