Thanks. The claim in the marketing blurb of 'penetrating the skin to a depth of only about 1/64th of an inch', if approximately accurate, suggests a highly efficient dielectric heating effect, then. Compare with lower frequencies: for example, a mobile phone at around 2 GHz will heat the brain and eyeball as well as the ear, while at 95 GHz it seems that most of the energy is converted to heat in a thin slice of skin, presumably with a much more concentrated cellular impact.

On 09/04/2020 00:20, Jones Beene wrote:
The energy transfer is via dielectric heating of fats and water, just as in a microwave oven.

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