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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 vibrate [ 2 ] and produce thermal energy in a process known as dielectric heating .
A telecommunications tower with a variety of dish antennas for microwave relay links on Frazier Peak, Ventura County, California. The apertures of the dishes are covered by plastic sheets (radomes) to keep out moisture. Microwave is a form of electromagnetic radiation with wavelengths shorter than other radio waves but longer than infrared waves.
Microwave transmission is the transmission of information by electromagnetic waves with wavelengths in the microwave frequency range of 300 MHz to 300 GHz (1 m - 1 mm wavelength) of the electromagnetic spectrum. Microwave signals are normally limited to the line of sight, so long-distance transmission using these signals requires a series of ...
Microwave engineering. Microwave engineering pertains to the study and design of microwave circuits, components, and systems. Fundamental principles are applied to analysis, design and measurement techniques in this field. The short wavelengths involved distinguish this discipline from electronic engineering.
Turns out, the trusty kitchen appliance is actually pretty disgusting, according to a new study. Researchers swabbed 30 microwaves in homes, offices, and microbiology laboratories and found 747 ...
Sharp Corporation. Sharp Corporation (シャープ株式会社, Shāpu Kabushiki-gaisha) is a Japanese electronics company. [4][5] It is headquartered in Sakai, Osaka and was founded by Tokuji Hayakawa in 1912 in Honjo, Tokyo and established as the Hayakawa Metal Works Institute in Abeno, Osaka in 1924. [6] Since 2016, it is majority owned by ...