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by jwilk 1573 days ago
That's a common misconception:

https://www.wtamu.edu/~cbaird/sq/2014/10/15/why-are-the-micr...

> The microwaves in a microwave oven are not tuned to a resonant frequency of water. […]

> They heat the food through simple dielectric heating. […] Many types of molecules in the food absorb energy from the microwaves in this way, and not just water molecules.