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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 ... [30] However, microwave ovens are gaining popularity. ... over the range and built-in (wall ...

3. Percy Spencer - Wikipedia

   en.wikipedia.org/wiki/Percy_Spencer

   The result was the egg exploding in the face of one of his co-workers, who was looking in the kettle to observe. Spencer then created the first true microwave oven by attaching a high-density electromagnetic field generator to an enclosed metal box. The magnetron emitted microwaves into the metal box blocking any escape and allowing for ...

4. Microwave - Wikipedia

   en.wikipedia.org/wiki/Microwave

   A microwave oven passes microwave radiation at a frequency near 2.45 GHz (12 cm) through food, causing dielectric heating primarily by absorption of the energy in water. Microwave ovens became common kitchen appliances in Western countries in the late 1970s, following the development of less expensive cavity magnetrons. Water in the liquid ...

5. The Bacteria In This Appliance Is Worse Than You Think ... - AOL

   www.aol.com/bacteria-appliance-worse-think...

   Turns out, the trusty kitchen appliance is actually pretty disgusting, according to a new study. Researchers swabbed 30 microwaves in homes, offices, and microbiology laboratories and found 747 ...

6. These Microwaves Cost $150 or Less, But They Don’t Look It

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

   This Black+Decker microwave oven offers decent size and power for under $100, making it one of the best options you can get at this price point. ... as well as a built-in humidity sensor—a ...

7. Cavity magnetron - Wikipedia

   en.wikipedia.org/wiki/Cavity_magnetron

   The modern magnetron is a fairly efficient device. In a microwave oven, for instance, a 1.1-kilowatt input will generally create about 700 watts of microwave power, an efficiency of around 65%. (The high-voltage and the properties of the cathode determine the power of a magnetron.)