#water
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Why a microwave oven is not tuned to water
A microwave oven heats liquid water through dielectric relaxation, not a narrow resonance. A traceable single-Debye calculation separates the dielectric-loss-factor peak from attenuation, quantifies a pure-water baseline, and shows why the same idealized channel is weak in ice.
Reading water off the page: geometry, orbitals, acidity, and spectra
Water is the most familiar molecule and one of the strangest. This post builds it up from the bottom — where the atoms sit, what the electrons do, why it is both an acid and a base, and how it talks to light.