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2. Microwave oven - Wikipedia

   en.wikipedia.org/wiki/Microwave_oven

   A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to vibrate [2] and produce thermal energy in a process known as dielectric heating. Microwave ovens heat foods quickly and efficiently ...

3. Cavity magnetron - Wikipedia

   en.wikipedia.org/wiki/Cavity_magnetron

   A cavity magnetron generates microwaves using the interaction of a stream of electrons with a magnetic field, while moving past a series of cavity resonators, which are small, open cavities in a metal block. Electrons pass by the cavities and cause microwaves to oscillate within, similar to the functioning of a whistle producing a tone when ...

4. Microwave - Wikipedia

   en.wikipedia.org/wiki/Microwave

   Microwave is a form of electromagnetic radiation with wavelengths shorter than other radio waves but longer than infrared waves. Its wavelength ranges from about one meter to one millimeter, corresponding to frequencies between 300 MHz and 300 GHz, broadly construed. [1][2]: 3 [3][4][5][6] A more common definition in radio-frequency engineering ...

5. The Best Countertop Microwave Ovens for 2022, Ranked from ...

   www.aol.com/lifestyle/countertop-microwave-ovens...

   countertop microwave ovens galanz retro. Buy: Galanz Retro Microwave Oven $69.88 (orig. $89.99) 22% OFF. 2. BLACK+DECKER Digital Microwave Oven. BEST BUDGET. With a price tag under $100, this ...

6. Percy Spencer - Wikipedia

   en.wikipedia.org/wiki/Percy_Spencer

   In 1947, the first commercially produced microwave oven was about 6 feet tall, weighed about 750 lbs, and cost about $5,000 (equivalent to $68,227 in 2023). In 1967 the first more affordable, $495 (equivalent to $4,523 in 2023), and reasonably sized (counter-top) Radarange brand microwave oven was made available for sale, [ 2 ] produced by ...

7. These Are the Best Cheap Microwaves from GE, Black ... - AOL

   www.aol.com/microwaves-cost-150-less-don...

   In addition to its large size, this microwave offers 1,100 watts of cooking power, as well as a built-in humidity sensor—a feature often reserved for more expensive models.