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1947-microwave-oven, a microwave oven (commonly referred to as a microwave) is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. this induces polar molecules in the food to rotate and produce thermal energy in a process known as dielectric heating.microwave ovens heat foods quickly and efficiently because excitation is fairly uniform in the .... Introduced in 1947, the microwave technology was ahead of its time and only became popular after two decades. source: wikimedia commons / daniel christensen by 1947, radarange, the first microwave oven, was introduced to the market. it had a weight of almost 750 pounds and had a tag price of over $2,000., the microwave oven was developed after w.w.ii in order to beat swords into plowshares. perhaps the engineer who is best known for birthing the idea of using microwaves to prepare food was percy spencer, of the raytheon company, located in waltham massachusetts..

1947 microwave oven : click to zoom/ back to slide show : raytheon engineer percy l. spencer (1894-1970) brought kitchens into the space age. in 1945, while standing in front of an active ..., 1947: microwave oven invented by percy spencer while working at raytheon, he left school in the fifth grade: 1948: brattain and bardeen working under william shockley at bell labs co-discovered the physical phenomenon that led to the development of the transistor: 1948: first cable tv network: 1948: polaroid introduces the “instant” camera ....

A washing machine is a machine designed to wash dirty clothes. clothes are placed in drums which is filled with water, then rotated fast to make the water remove dirt from the clothes., timetoast's free timeline maker lets you create timelines online. make educational timelines or create a timeline for your company website. how to make a timeline? well, it's easy as toast!.

Here you may find cooking hasn't been the same since the development of this by percy spencer & raytheon in 1947 jeopardy answer, 1947 microwave oven 1950 color television 1958 stereo recording 1960 laser 1981 laptop computer (first model weighed 24 lbs!) 1984 cell phone (first model weighed 2 lbs and cost $3,995!) 1987 mp3 technology 1998 portable mp3 players. yup.. Discoveries and inventions . based on lists from the world almanac and encarta.. scientific discoveries and theories . aspirin, 1889, heinrich dresser, german. atomic numbers, 1913, henry moseley, english


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