Microwaves were used to heat up and reanimate frozen hamsters. You just obviously don’t do it at 1000W, unless you are planning on eating said hamsters.. But t

Microwaves were used to heat up and reanimate frozen hamsters. You just obviously don’t do it at 1000W, unless you are planning on eating said hamsters.. But taking into account the amount of heat a gram of tissue can reasonably absorb, it doesn’t cause any biological change whatsoever.