According to the study, all microwaves appear to harbor bacteria. But using the microwave at work may be riskier than nuking ...

The cavity magnetron is a power RF oscillator ... and it lies at the heart of a domestic microwave oven. They usually need a high-voltage mains transformer and a rectifier to work, but [Hyperspace ...

The cavity magnetron uses physical cavities and a magnetic field to create microwave energy. The frequency is determined by the size and shape of the cavities. While the cavity magnetron had ...