Microwaving a microwave (placing a microwave oven inside another microwave oven and turning it on) is an extremely dangerous and potentially catastrophic action. It should never be attempted under any circumstances.
Microwave ovens work by emitting electromagnetic waves, specifically microwaves, that excite the water molecules in food, causing them to vibrate and generate heat. The metal in a microwave oven, such as the interior walls, door, and other components, is designed to reflect these microwaves to ensure they are contained within the oven and do not leak out. However, when you put a microwave oven inside another microwave, the microwaves generated by the outer oven can interfere with the functioning of the inner oven.
The interaction of microwaves from one oven with the other can lead to several hazardous situations, such as:
Fire Hazard: Microwaves can cause the metal components of the inner microwave oven to arc and spark, potentially leading to a fire.
Explosions: The buildup of microwaves can cause pressure to build up inside the inner microwave oven, leading to an explosion.
Electromagnetic Interference: The microwaves can disrupt electronic components and even cause permanent damage to both microwave ovens.
Radiation Exposure: The microwaves leaking from one oven into the other can expose anyone nearby to potentially harmful radiation levels.
Microwaving a microwave is not only unsafe for the appliances involved but also poses significant risks to the people nearby and the surrounding environment. It is essential to use household appliances according to their intended purpose and to follow all safety guidelines and precautions outlined in their user manuals. If you encounter issues with a microwave oven, it is best to contact a professional repair service or the manufacturer for assistance.