Most people use them daily

Microwave ovens, have you ever wondered how they cook your food?

Basically the microwaves are vibrating the water molecules in your food causing them to heat up which in turn heats your food up. The Microwave oven (EN) (IT) was invented by Percy Spencer a radar technician when he noticed a chocolate bar melting while working around a radar emitter. The first Microwave was called the Radarange and was first sold in 1946 by Raytheon.

Di HCRS Home Labor Page -, CC BY-SA 2.0 at,
the heart of all microwave ovens the magnetron (EN) (IT)
Explanation in English
Explanation in Italian

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