Microwave ovens are common kitchen appliances that can now be found in almost every household across the globe. These ovens make use of a process called dielectric heating where the food particles are exposed to electromagnetic radiations in the microwave spectrum in order to build up the thermal energy. Understanding how microwaves work can help you judge better when buying the kitchen appliance for yourself from the market. In order to get safely heated food at all times, it is important to avoid cheap and local brands when it comes to choosing the right microwave. You can also make use of guides online and get interesting details in order to make a well informed decision when it comes to buying microwaves.