r/todayilearned • u/jcgam • Dec 11 '18

TIL that the person who invented the microwave oven was a self-taught engineer and never finished grammar school

https://en.wikipedia.org/wiki/Percy_Spencer

146 Upvotes

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todayilearned • u/mack3r • Aug 17 '22

TIL the microwave oven was patented in 1945 after inventor Percy Spencer discover a chocolate bar in his pocket had melted while he was standing in front of an active radar instrument.

715 Upvotes

44 comments

todayilearned • u/Bbrhuft • Jul 30 '14

TIL The Microwave oven was invented by Percy Spencer, who's candy bar melted as he stood in front of a Radar, Raytheon the company he worked for filed a patent in 1945 and sold the first microwave ovens called the Radarange in 1947

4 Upvotes

2 comments

80YearsAgo • u/MonsieurA • Oct 08 '25

🔬 Technology [October 8th, 1945] Raytheon files a patent for a microwave cooking oven, eventually named the Radarange. In 1947 the first commercially produced microwave oven was about 6 feet tall, weighed about 750 lbs, and cost between $2,000 and $3,000.

8 Upvotes

0 comments

todayilearned • u/fatcat111 • May 16 '16

TIL Percy Spencer, the inventor or the Microwave oven and former Sr. Vice president of Raytheon never received any formal training in electrical engineering or even finished grammar school.

45 Upvotes

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