melted chocolate bar

The Melted Chocolate Bar That Changed the World: Percy Spencer and the Accidental Birth of the Microwave OvenPrimary keywords: Percy Spencer, melted chocolate bar story, microwave invention, microwave history, accidental inventionsIntroduction: The Melted Chocolate Bar Story That Hooks You In It was a day of humming machinery and focused attention inside an ordinary laboratory—ordinary until a chocolate bar betrayed its owner. Percy Spencer, an engineer whose life was anchored in radio waves and radar technology,…