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Researching the way people use microwave ovens to determine how to improve their design
Microwave Ovens
There are no radioactive materials in microwave ovens: they use microwaves to cook food and heat liquids.
I like them
No, microwave ovens are extremely popular in Japan.
The first microwave ovens were sold in 1960, but they did not become widely used until the late 1980s.
Yes, microwave ovens use electromagnetic radiation.
Same as today, with ovens and stoves. The exception being microwave ovens which were invented later. Note: the electric stove was first introduced in 1893. The microwave oven in 1947.
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.
No, microwave ovens don't have a standard length. They come in different sizes.
No