From Wikipedia; Microwave Oven
"Radarange, the first microwave oven in the world. It was almost 1.8 metres (5.9 ft) tall, weighed 340 kilograms (750 lb) and cost about 5000US dollars each. It consumed 3 kilowatts, about three times as much as today's microwave ovens, and was water-cooled. An early commercial model introduced in 1954 consumed 1.6 kilowatts and sold for US$2000 to US$3000. Raytheon licensed its technology to the Tappan Stove company in 1952. They tried to market a large, 220 volt, wall unit as a home microwave oven in 1955 for a price of US$1295, but it did not sell well. In 1965 Raytheon acquired Amana, which introduced the first popular home model, the countertop Radarange, in 1967 at a price of US$495."
Microwave Ovens
No, microwave ovens are extremely popular in Japan.
Yes, microwave ovens use electromagnetic radiation.
No, it is not true that the use of microwave ovens is banned in Germany.
Some features of cheap microwave ovens are that they can cook things at very high temperatures and some newer microwave ovens even have a convection feaure on them.
No, microwave ovens don't have a standard length. They come in different sizes.
No, microwave ovens do not emit ultraviolet (UV) radiation. They use microwave radiation to heat and cook food by causing water molecules in the food to vibrate, generating heat. UV radiation is not involved in the operation of microwave ovens.
Researching the way people use microwave ovens to determine how to improve their design
There are no radioactive materials in microwave ovens: they use microwaves to cook food and heat liquids.
No
No
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