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Metal in the form of a flat panel like a piece of aluminum foil reflects microwave energy. In the form of wire, metal will react to the microwave by setting up small electrical currents within it. The metal wire is acting as an antenna in this case. Note that if we crumple foil up, it could act as an antenna and create an electrical arc. This is one of the hazards of using foil in a microwave oven. Though there is another question that deals with this here on WikiAnswers, we'll remind you that foil in a microwave oven is generally something to avoid. It is possible to use foil in the oven, but only if the manufacturer's instructions are followed. Anything else is gambling.
What else can I help you with?
Are there microwaves that you can put metal in?
No there is no microwaves that you can put metal in without it catching on fire.
Why are microwaves metal?
microwaves are metal because metal reflects microwave energy so you get the waves bouncing around the box. The bouncing waves make the food inside the microwaves warm.
Can you heat food in an metal container in a microwave?
No, the metal will reflect the microwaves and damage the magnatron (the part that produces the microwaves).
What are microwaves made of?
metal and glass
Why is microwaves made of metal?
Microwaves are made of metal because metal reflects microwaves, ensuring they stay inside the microwave oven to heat the food effectively. The metal walls and door of the microwave help contain the electromagnetic waves produced by the microwave oven, preventing them from escaping and generating heat.
Has metal proof microwaves been invented?
cheese
What do the metal side panels on a microwave do?
One of the things that metal sides do is reflect the microwaves confined to where the food is. There is a body of information that lists the damage that leaking microwaves do to people
What metal is safe on microwaves to nuke?
I don't believe any metal is safe in a microwave.
What can block microwaves from penetrating through objects?
Metal objects can block microwaves from penetrating through other objects.
Microwaves will not pass through this?
Microwaves can cook any food in a dish unless the dish is made out of some kind of metal. The rays that a microwave produce can not penetrate anything that is metal.
Is there any gold metal or other precious metals in old microwaves?
no
What substances do not absorb in the microwaves?
Glass, ceramics, and most plastics do not absorb microwaves, so they do not heat up in the microwave. Metal, however, reflects microwaves, which can lead to sparking and potentially damage the microwave.
