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by erichsu 3952 days ago
Wait a second. The Wikipedia page first says that microwave do not cook from the inside out because the microwaves do not penetrate beyond 1 cm. but then it says that microwaves really cook by oscillating the magnetic field which jostles around dipoles like the water in food.

So does the magnetic field only penetrate very close to the skin, or are all the water molecules inside the food being excited, resulting in the food being cooked indeed from the inside?