definition of microwaves
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- A microwave or a microwave oven is an oven which cooks food very quickly by electromagnetic radiation rather than by heat. 2. verb. To microwave food or drink means to cook or heat it in a microwave oven.
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Do old microwaves emit radiation? Microwaves are a form of RADIO WAVE. They are NOT radiation like something being radioactive, and microwave ovens do NOT make your food radioactive or glow in the dark. There are radiations because the radio wave radiate from a central location (like an antenna) inside the oven. Microwaves are very similar to radar waves.
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- Furthermore, God imminently expresses concern for his creation. He reveals himself in history according to the times and dates set by his own authority ( Acts 1:7 ) and will bring about in his own time the consummation of world history in Jesus' return ( Eph 1:9-10 ; 1 Tim 6:15 ).
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- A microwave oven produces microwave radiation with a frequency of about 2.45 GHz, which is similar to a cordless phone or your wifi router. However, the radiation is much more intense, so when this large amount of energy is transferred to water molecules in your food, it causes the food to heat up.
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Microwave oven A microwave oven, commonly referred to as a microwave, is a kitchen appliance that heats and cooks food by exposing it to electromagnetic radiation in the microwave spectrum. This induces polar molecules in the food to rotate and produce thermal energy in a process known as dielectric heating.
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Difference between Microwave and Toaster Oven Difference between Microwave and Toaster Oven. Key Difference: 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.
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What Are Microwaves? Microwaves are a type of electromagnetic radiation, as are radio waves, ultraviolet radiation, X-rays and gamma-rays. Microwaves have a range of applications, including communications, radar and, perhaps best known by most people, cooking.icrowaves have frequencies ranging from about 3 billion cycles per second, or 3 gigahertz (GHz), up to about 30 trillion hertz (terahertz or THz) and wavelengths of about 30 centimeters (12 inches) to 3 millimeters (0.12 inches), although these values are not definitive.
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Countertop Microwaves Bring Modern Cooking Convenience to Your Countertop with a Microwave. Countertop microwaves are the epitome of convenience. Whether you need to cook a meal, heat water for tea or thaw out frozen vegetables, a microwave is the quickest and most efficient tool to do so. Like many other small appliances, the countertop is perhaps the best location for this helpful unit.
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Microwave for the ultra-broadband era Mobile backhaul. Microwave access to cell sites is an important building block for the delivery of mobile services. Today, more than 50% of the world's cell sites are connected to the network over microwave access.
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What is the difference between microwave and oven? Microwave Oven. These are the recent technological advancement and often called as microwave ovens. The energy source of heating the food is microwave radiation. An Electron tube called Magnetron generates microwave radiation which makes the water molecules to vibrate.
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- The Urban Dictionary Mug. One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids. Used throughout the 60's and 70's not just as an excuse not to bathe, as some people claim, but to cover the scent of Smoke, Drink and Drugs on clothing. The Urban Dictionary Mug. One side has the word, one side has the definition. Microwave and dishwasher safe.
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Microwave Technologies Association Microwave energy is absorbed by many materials. Food contains moisture and the energy causes the moisture molecules to agitate at over two thousand million times per second. This creates heat and the food is cooked, thawed or reheated.
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Microwave Oven Radiation Microwaves are a form of electromagnetic radiation; that is, they are waves of electrical and magnetic energy moving together through space. Electromagnetic radiation spans a broad spectrum from very long radio waves to very short gamma rays.
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- Well, microwaves are defined as radiation with a frequency between 10 to 300,000 megahertz. That means the wave oscillates up to 300,000 million times each second. . . darn fast. If the frequency is outside of the 10 to 300,000 megahertz range, we’re no longer talking about microwaves.
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What are the properties of microwave radiation? On the other hand, electromagnetic forms of energy, such as microwaves, radar waves, radio and TV waves, travel millions of miles through the emptiness of space without the need of any material medium through which to travel. This is because, simply put, electromagnetic waves are, in themselves, stored energy in motion.
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What Are Microwaves? Microwave heat sources. One of the most common uses of microwaves is to heat food quickly. Microwave ovens are possible because microwaves can be used to transmit thermal energy. The discovery of this phenomenon was purely accidental.icrowaves have frequencies ranging from about 3 billion cycles per second, or 3 gigahertz (GHz), up to about 30 trillion hertz (terahertz or THz) and wavelengths of about 30 centimeters (12 inches) to 3 millimeters (0.12 inches), although these values are not definitive.
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How Microwave Cooking Works Microwaves. ­Not surprisingly, a m­icrowave oven uses microwaves to heat food. Microwaves are a type of wave that are sandwiched between radio waves and infrared radiation on the electromagnetic spectrum. In the case of microwave ovens, the commonly used wave frequency is roughly 2,450 megahertz (2.45 gigahertz). Waves in this frequency range have an interesting property: They're absorbed by water, fats and sugars. Once absorbed, they're converted directly into atomic motion -- heat.
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Microwave oven A microwave oven, commonly referred to as a microwave, is a kitchen appliance that heats and cooks food by exposing it to electromagnetic radiation in the microwave spectrum.This induces polar molecules in the food to rotate and produce thermal energy in a process known as dielectric heating.ookware used in a microwave oven is often much cooler than the food because the cookware is transparent to microwaves; the microwaves heat the food directly and the cookware is indirectly heated by the food.
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Microwave Dangers â Why You Should Not Use a Microwave In short, microwave ovens are kitchen appliances which are used to cook or reheat food by emitting microwaves. Microwaves are a form of electromagnetic radiation and are on the low energy end of the energy spectrum, second to radio waves.n short, microwave ovens are kitchen appliances which are used to cook or reheat food by emitting microwaves. Microwaves are a form of electromagnetic radiation and are on the low energy end of the energy spectrum, second to radio waves.
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- electromagnetic radiation: Microwaves. 1  in classical physics, the flow of energy at the universal speed of light through free space or through a material medium in the form of the electric and magnetic fields that make up electromagnetic waves such as radio waves, visible light, and gamma rays.
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microwave microwave-Computer Definition. A form of radio transmission that uses ultra-high frequencies, developed out of experiments with radar (radio detecting and ranging) during the period preceding World War II.
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Microwave Cooking Is Different In microwave cooking you can cook a hot dog without using a utensil in seconds. This is an example of a microwave cooking technique that is great for parents and college students. Busy parents can keep a supply of hot dogs and rolls on hand and teach their kids to easily make a hot dog for themselves.
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Why Does a Microwave Heat Food Unevenly? This experience has prompted me on more than one occasion to wonder: Why does a microwave heat food so unevenly? The Physics of Microwave Heating. Microwaves are a type of high-frequency electromagnetic wave. The microwaves that are used in a microwave oven to heat food have a wavelength of around 12.23 cm and a frequency of 2.45 gigahertz (GHz). The electromagnetic waves produce oscillating magnetic and electric fields that excite molecules inside the field, therefore generating heat.
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Electricity usage of a Microwave A microwave oven is a common kitchen appliance used for heating or cooking food by utilizing electromagnetic radiation. Compact microwaves use between 500 and 800 watts during heating, while a regular sized microwave will use 850 to 1800 watts depending on the model.
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- Microwaves are primarily used in medical cases as an alternative to surgery. For example an enlarged prostate. Instead of surgically removing the problematic organ, doctors can use microwaves to heat op the enlarging tissue of the prostate and in turn decreasing the size of the enlarged prostate.
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ANSWER KEY A microwave is a form of energy that falls within the electromagnetic spectrum. That means that microwaves are in the same family as visible light, radio waves and gamma rays.