She used 72 bags of popcorn to find the best microwave (and set the office on fire only once). Jessica Samson, cleaning expert and director of national branding with a 40-year-old national ...

Absorption of a single microwave pulse impinging on the head may be perceived as an acoustic zip, click, or knocking sound. •A train of microwave pulses may be sensed as an audible buzz, chirp, or ...