Microwave cooking began with a chocolate bar melting in an engineer's pocket. 🍫 . . . In 1945, Raytheon engineer Percy Spencer noticed a chocolate bar in his pocket had melted while he stood near an active magnetron. His experiments led to a cooking patent and the 1947 Radarange. The first commercial machine stood about 6 feet tall and weighed roughly 750 pounds—hardly a countertop convenience.
Source
https://en.wikipedia.org/wiki/Percy_SpencerSpot an error? Email hello@thefact5.com with a source — we correct visibly.
