Introduction – National Microwave Oven Day is celebrated every year on December 6 to honors the invention of the most influential kitchen appliances. Microwave ovens are used to make several varieties of dishes including cakes, popcorn, pudding, reheat food, and many more. It uses less energy as compared with conventional ovens about 80 percent.

History – Percy Spencer, an American engineer, has introduced a microwave oven to heat food securely with microwaves.  Percy noticed a melting chocolate bat in this pocket during working with an active radar in the year 1945 and led to the invention of microwave ovens. In the microwave oven, the high-powered microwave beams created a heating effect that is perfect for cooking food. He intentionally attempted cooking popcorn with the microwaves. After that, he cooked an egg in the microwave oven. Percy was worked at Raytheon Company and continued testing with several methods to heat food securely with microwaves.

Firstly, Raytheon made the first commercially available microwave oven was known as ‘’Radarange’’. On October 8^th, 1945, the company filed a patent application for the microwave cooking process that was made by Spencer. There is an estimated 90 percent of homes in the United States have a microwave in them.

Significance – A microwave oven is a very popular kitchen appliance that cooks and heats food securely with the help of microwave radiation in the electromagnetic spectrum in a very quick time and maintains the nutrients in food. Microwave oven is easy to use so everyone uses microwave oven to make cakes, pudding, reheat food, and many more worldwide.