That's a common misconception: https://www.wtamu.edu/~cbaird/sq/2014/10/15/why-are-the-microwaves-in-a-microwave-oven-tuned-to-water/ https://www.wtamu.edu/~cb

That's a common misconception: https://www.wtamu.edu/~cbaird/sq/2014/10/15/why-are-the-microwaves-in-a-microwave-oven-tuned-to-water/ 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.