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ABOUT YOUR MICROWAVE
How do microwaves work?
Microwaves are high-frequency electromagnetic waves similar to radio
waves. While radio waves may vary in length from one metre to many
kilometres, microwaves are very short (less than 12.5 centimetres.)
Microwaves do not make any heat themselves but cause water molecules in
food to vibrate.
This vibration produces heat that cooks the food. This is why your food will
come out of the microwave piping hot, when your utensils inside the oven
stay much cooler. The microwaves do not stay in the air or in the food when
you open the microwave oven door.
The microwave oven will work using an ordinary household electrical
socket. Inside the microwave oven is the magnetron, which turns the
electrical energy into microwaves.
Microwaves cannot travel through metal, so the inside of the oven is lined
with metal. The door is lined with a fine metal mesh which stops
microwaves getting through. This means that when the microwave oven
door is shut, there is no possibility that microwaves can be released.
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