Key Difference: An oven is a thermally insulated chamber that is used for heating, baking or drying a substance. It is most commonly used for cooking. A microwave oven is a type of oven that uses microwaves to heat up food. A microwave oven is a type of oven that uses microwaves to heat up food. Microwaves are a type of electromagnetic wave that is sandwiched between radio wave and infrared radiation on the electromagnetic spectrum.

Ovens have been in existence since the discovery of fire. They play an important part to our livelihood and well-being. There are various different kinds of ovens that are available in the market that makes it easier to cook, heat up food and various other things. Ovens are also used for other purposes such as glass-making, forging, ceramic making, creating heat, etc. We cannot exactly differentiate microwaves from ovens as it is a type of an oven. Microwave is a very popular oven and is found in millions of homes all around the world. It is very easy and quick to use.

An oven is a thermally insulated chamber that is used for heating, baking or drying a substance. It is most commonly used for cooking. The earliest ovens can been dated back to 29,000 BC in Central Europe, where it was used for roasting, boiling and most commonly cooking mammoths. As the technology continued to increase, the construction of ovens got better and better. The advancement included creating an actual oven, making them portable, allowing for different types of cooking such as boiling, roasting, etc.

Findings from the Indus Valley Civilization show, in addition to cooking, these ovens were also used to create baked brick to construct sewers, pottery, glass-making and forging. These old ovens were powered by fire, wooden twigs and grass. The advancement of technology also saw ovens being powered by natural gas, wood, coal and electricity. Other advancements saw ovens with fire vents, ventilation windows and chimneys. Various different types of ovens including earth oven, ceramic oven, gas oven, electric oven, microwave oven and convection oven came into existence.

The breakthrough in ovens was seen with the development of the gas ovens, invented in the early 1900s; followed by the electric ovens, invented in the late 19th century, and the microwave ovens. The electric ovens, eliminates the need for dangerous flammable gas, while using resistor heating coils in order to provide heat. The microwave oven uses microwaves in order to produce heat. The microwaves excite the molecules of an object causing friction and producing heat. These ovens, excluding the microwave oven are known as conventional ovens.

A microwave oven is a type of oven that uses microwaves to heat up food. Microwaves are a type of electromagnetic wave that is sandwiched between radio wave and infrared radiation on the electromagnetic spectrum and their frequencies range between 300 MHz (0.3 GHz) and 300 GHz. An interesting property of microwaves in this frequency is that they are absorbed by water, fats and sugars. However, they are not absorbed by plastic or metal. The microwave ovens run purely on electricity and do not require any additional set-up. It’s sort of plug-and-use equipment.

The first microwaves were invented following the World War II, using the radar technology that was developed during the war by Percy Spencer. The first microwave was named the ‘Radarange’ and was marketed in 1947 by Raytheon. However, at this time the technology was not yet perfected and the range was too huge to be used in homes and was only available for commercial purchase. It also required massive amounts of electricity to power, making it expensive to use. The modern microwave that we use, known as the countertop microwave’ was first developed in 1967 by the Amana Corporation, which was later acquired by the Raytheon.

Let’s try to simplify how the microwave oven actually works. When the food is place inside the microwave oven, the oven throws microwaves at the food. The microwaves are absorbed by the food, which is then turned into heat. Ever heard that microwaves heat the food from the inside out? Well, that is actually true. The waves that are absorbed by the fat, water and other substances inside the food start heating up the molecules of the food, the heat then travels outward, heating up the rest of the food. Notice, sometimes when frozen food is placed to heat in the microwave and it is not heated for a longer period of time, the inside will be warm, but the outsides are cold. That is because the heat has not yet travelled outside. The microwaves are not absorbed by plastic, glass, ceramic and metal. Metal actually reflects the microwaves; hence the internal lining of the microwave oven is made of metal. However, when you try to heat or cook food in metal pan, it basically just reflects the waves away from the food.

Microwaves are simple and efficient to use as they are portable, do not require any additional set up. They also save a lot of energy by heating up food faster compared to traditional ovens and stoves. They are also cost efficient during set up as well as in the long run. This is why is one of the must have appliance in many kitchens. However, when it comes to doing special cooking work such as baking, roasting or trying to make a crispy crust, microwaves are ineffective. For such, either special equipment such as waxing paper, or oiled pans, etc. must be used to cook these foods effectively or other conventional ovens can be used.

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