Multiple choice general knowledge history

Who invented the microwave Oven?

  1. Elijah McCoy

  2. George de Mestral

  3. Ida Henrietta Hyde

  4. Dr. Percy LeBaron Spencer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dr. Percy LeBaron Spencer invented the microwave oven in 1945 while working at Raytheon. He discovered microwave heating when a chocolate bar in his pocket melted near a magnetron. The first commercial microwave (the 'Radarange') was sold in 1947. Elijah McCoy invented lubrication systems, George de Mestral invented Velcro, and Ida Henrietta Hyde was a physiologist.

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