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It was almost 1.8 metres (5 ft 11 in) tall, weighed 340 kilograms (750 lb) and cost about US$5,000 ($68,000 in 2023 dollars) each. It consumed 3 kilowatts, about three times as much as today's microwave ovens, and was water-cooled. The name was the winning entry in an employee contest. [20]
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 ...
1945 Microwave oven. A microwave oven with a turntable. A microwave oven cooks or heats food by dielectric heating. Cooking food with microwaves was discovered by Percy Spencer on October 8, 1945, while building magnetrons for radar sets at Raytheon. Spencer was working on an active radar set when he noticed a strange sensation, and saw that a ...
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In 1969, Harris Corporation acquired RF Communications and Farinon Electric Corporation, furthering its microwave assets. The printing operations were sold off in 1983 and became part of manroland Goss in 2018. [10] In 1974, Harris acquired Datacraft Corporation, which led to the formation of the Harris Computer Systems Division. The division ...
Microwaves weren’t necessary for popcorn in the ‘80s. Whether air-popped or made with a hot oil popper, the sight and sound of kernels bursting into fluffy, buttery popcorn became a movie ...
Food packaging like burger wrappers and take-out containers have long contained forever chemicals. The FDA says it's stopping that. (Getty Creative) (Daniel Lozano Gonzalez via Getty Images)