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The antennas contained in mobile phones, including smartphones, emit radiofrequency (RF) radiation (non-ionizing "radio waves" such as microwaves); the parts of the head or body nearest to the antenna can absorb this energy and convert it to heat or to synchronised molecular vibrations (the term 'heat', properly applies only to disordered molecular motion).
A microwave oven passes microwave radiation at a frequency near 2.45 GHz (12 cm) through food, causing dielectric heating primarily by absorption of the energy in water. Microwave ovens became common kitchen appliances in Western countries in the late 1970s, following the development of less expensive cavity magnetrons. Water in the liquid ...
In January 2000, Bishop Machebeuf High School moved from its historic old location in Denver's Park Hill neighborhood to Lowry. The new location includes a gym, drama room and stage, cafeteria with microwaves for student use, [citation needed] a kitchen, athletic fields, a courtyard in the center of the academic wing, athletic fields, 17 1,100 square foot classrooms, and a center for ...
A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy (heat) in a process known as dielectric heating .
"The high heat from a microwave can cause the moisture in fish to quickly evaporate, which can cause a very dry, rubbery texture." Fish and other seafood should not be reheated in the microwave, a ...
[1] [2] It is in the microwave part of the radio spectrum, between the super high frequency band and the terahertz band. Radio waves in this band have wavelengths from ten to one millimeter, so it is also called the millimeter band and radiation in this band is called millimeter waves, sometimes abbreviated MMW or mmWave. [3]
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Teens aren't just sneaking quick glances at their phones during class.They're spending an average of 1.5 hours on them every school day, with 25% of students logging on for more than two hours ...
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