A reenactment video of a food causing a spark and catching fire in a microwave oven due to an excessive heating time
[Explanation of the video]
A microwave oven can still cause a fire though it doesn’t use fire, and there are reports of fires caused by a microwave.
A microwave oven uses microwave electromagnetic radiation to heat foods in it. When a food is overheated, it carbonizes. If the food is continuously heated, the microwave concentrates on the carbonized part and may cause a spark, smoking, and possibly a fire.
Heating time should be set carefully to avoid an overheating.
In addition, there are reports of incidents that involve smoking and fire of microwave ovens caused by residues in the microwave oven chamber from previous cooking. The microwave concentrates on the residues, carbonizes them, and causes smoking and a fire. A microwave oven should be cleaned before and after use.
00:19　Smoking
00:37　Catching fire
The experiment is performed by experts. It is very dangerous and never try to do this.
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