The Accident That Changed How Humanity Cooks: A Melted Chocolate Bar and the Microwave Revolution episode artwork

EPISODE · May 11, 2026 · 8 MIN

The Accident That Changed How Humanity Cooks: A Melted Chocolate Bar and the Microwave Revolution

from The Hidden History Podcast

A self-taught Raytheon engineer named Percy Spencer is standing in front of an active military radar magnetron. He reaches into his pocket — and finds his chocolate bar has melted.Most people would have changed their pants. Percy Spencer invented a new way to cook food.In this episode of Hidden History with Aiden Thomas, we trace the microwave from a wartime radar accident through Spencer's wild experiments with popcorn kernels and exploding eggs. Raytheon's first commercial microwave — the 1947 "Radarange" — stood six feet tall, weighed over 700 pounds, and cost the price of a small house. From restaurant kitchens to TV dinners, suburban convenience to the lingering myths about microwave radiation, this is the story of how a kitchen accident reshaped what 90% of American households eat for dinner tonight.It wasn't a cooking appliance. It was a weapon of war that came home and conquered the kitchen.Take a look around. History is everywhere.

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