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Percy L. Spencer in 1985

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Who and when was the microwave invented?

in was invented in 1947


Which was invented first light bulb microwave or telephon?

Telephone The telephone was invented in 1876.The light bulb was invented in 1879. The microwave was invented in 1945.


Why were microwave telescope invented?

Microwave telescopes were invented to observe celestial objects in the microwave portion of the electromagnetic spectrum, which allows astronomers to study phenomena that are not visible in optical wavelengths. This includes the detection of cosmic microwave background radiation, which provides insight into the early universe, as well as the study of molecular clouds and star formation. By using microwaves, scientists can gather data on the composition, temperature, and dynamics of these astronomical entities, enhancing our understanding of the cosmos.


Can you put tin foil in the micerwave?

It is not recommended to put tin foil in the microwave as it can cause sparks and possibly damage the microwave. It is safer to use microwave-safe dishes and utensils when heating food in the microwave.


Who invented the microwave cooker?

Percy LeBaron Spencer is regarded as the inventor of the microwave oven. Spencer worked as an engineer with the Raytheon company, which was a company that developed defence and industrial equipment. The story goes that the concept of the microwave was discovered by accident while Spencer was experimenting with and testing a magnetron (diode vacuum tube).The magnetron, which had been invented during WWII at Manchester University, produced microwaves of such high frequency and power that it was invaluable in directing allied aircraft to intercept German Luftwaffe raiders during the battle of Britain.The magnetron was passed to Raytheon in the USA for further development. During testing, Dr Spencer reached into his pocket for his chocolate bar and discovered it had completely melted. He noted the connection between the melted chocolate and the heat-producing magnetron, and tested his theory on a bag of unpopped corn kernels, which then popped. In further testing, he placed an egg in front of the magnetron, and the egg exploded.For this reason, Spencer is credited with discovering one of the critical components of the microwave oven. Further modifications of the microwave oven developed out of his observations, and by 1947 Raytheon had perfected a commercial microwave oven. It was a large unit about the size of a tall cupboard and remained large until the Apollo 11 astronauts returned to Earth and were immediately quarantined in a sealed caravan in case they had brought Moon bacteria back to Earth. They cooked their meals on one of the first counter top Microwave ovens ever made.--------------------------------------------------------------The first magnetron was invented by Randall and Boot at Bournemouth University in 1940. Due to the exigencies of war, this invention like many others was suppressed from public knowledge at the time.