Microwave Oven Who invented the Microwave oven Percy Spencer invented the first microwave oven after World War II from radar technology developed during the war. Named the "Radarange"‚ it was first sold in 1946. Raytheon later licensed its patents for a home-use microwave oven that was first introduced byTappan in 1955‚ but these units were still too large and expensive for general home use. The countertop microwave oven was first introduced in 1967 by the Amana Corporation‚ which was acquired in
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These days‚ in many homes‚ it is virtually impossible to have a so called modern kitchen‚ without having a microwave oven in it. The microwave oven could probably occupy the second place (after the refrigerator)‚ in terms of dependence‚ in the kitchen. This magical piece of technology has revolutionized the way people‚ and the food industries cook food. The microwave oven is only a natural evolution of technology; to fit into this fast-paced world. As in every evolutionary process‚ one must look
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Microwave Ovens Microwaves are also called electronic oven‚ and are appliances that cook food by means of high-frequency electromagnetic waves called microwaves. A microwave oven is a relatively small‚ boxlike oven that raises the temperature of food by subjecting it to a high-frequency electromagnetic field. The microwaves are absorbed by water‚ fats‚ sugars‚ and certain other molecules‚ whose consequent vibrations produce heat. The heating thus occurs inside the food‚ without warming the surrounding
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A BASIC STUDY ON SIMULTANEOUS HEATING WITH MICROWAVES AND ULTRASOUND USING COAXIAL‚ TYPE APPLICATOR Abstract- A new heating method for hyperthermia using microwave and ultrasound simultaneously is proposed‚ and temperature distributions are obtained by computer simulations. The results have shown that the simultaneous use of microwave and ultrasound can heat wider and deeper region than the sole use‚ and can reduce the input power of microwave and ultrasound. This implies that we can reduce
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In 1894 the microwave was invented. Mistakes can cause new discoveries. Mistakes have lead to the invention of the microwave‚ ancient artifacts in Troy were found‚ and can cause major damage to the earth. So people learn from their mistakes. To begin with‚ two friends decided to dig up trenches to find ancient artifacts. They did this because they wanted to have a piece of history from the town of Troy. According to text 1 paragraph 7 it states‚ “He had workers open up huge trenches in the
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experiment? After all‚ complex things such as computers‚ televisions‚ and microwaves had to have had a great impact on society. And so did simpler things‚ such as bar codes‚ plastic‚ and Velcro. By 1976‚ over 60% of U.S. households were using microwaves‚ just 30 years after its first invention. Today‚ microwaves are used all around the world‚ resulting in fresher food‚ less waste‚ and money saved. But how did the microwave get started? Who invented them and how did the inventor make such an astounding
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to us. When we talk about microwave‚ we can think that it is a great technology. Microwave is used in different kinds of fields‚ like in communication and others. It brought great advantages into the society and made great advancements. But unfortunately‚ microwave gadgets that we commonly use emits harmful radiation‚ which can destroy our body and can kill us. Examples of gadgets that emit radiation are primarily‚ cellphones‚ TVs‚ and other gadgets that uses microwave. The problem is that there
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TERRESTRIAL MICROWAVE COMMUNICATION SYSTEM DESIGN DESCRIPTION OF THE MICROWAVE BEAM: 1. The microwave beam behaves like a light beam and it tends to follow a straight line and azimuth. 2. The changes on temperature‚ pressure and relative humidity tends to refract the microwave beam. So it will follow on a slightly curved path. The radio horizon exists. 3. It is diffracted when grazing over an obstacle. A small shadow area created when some of the energy is redirected. 4. The beam
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of Experiment: Date of Report: Aim In this experiment‚ we aim to: (a) determine the refractive index n of a polymer slab from its constructive and destructive thin-film microwave interference; and (b) determine the lattice constant a of an array of thin copper rods from its Bragg diffraction of the incident microwave. Introduction Thin Film Interference When plane electromagnetic wave of wavelength λ is incident on a dielectric surface‚ part of the electromagnetic wave is reflected
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researchandmarkets.com/reports/604386/ Analyzing Microwave Power Transmission & Solar Power Satellite Systems Description: Microwave power transmission (MPT) involves the usage of microwaves to transmit power through outer space or the atmosphere without the need for wires. It is a sub-type of the more general wireless energy transfer methods‚ and is the most interesting because microwave devices offer the highest efficiency of conversion between DC-electricity and microwave radiative power. Following World War
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