Difference between revisions of "Microwaves"
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[[File:Microwaves.jpg|thumb|200px|right|Microwaves]] | |||
'''Microwaves''' are good for transmitting information from one place to another because microwave energy can penetrate haze, light rain and snow, clouds, and smoke. Shorter microwaves are used in remote sensing. These microwaves are used for radar like the doppler radar used in weather forecasts. Microwaves, used for radar, are just a few inches long. | |||
==Operations== | |||
With microwaves, no heat is applied per. Instead a form of radio waves (not nuclear nor ionizing radiation) pass through the material. The molecules in the material then act like miniature magnets attempting to align themselves with the electrical field. Under the influence of this high frequency alternating electrical field, the particles oscillate about their axes creating intermolecular friction which manifests itself as heat. | |||
==Video== | |||
<youtube>lSMerma7nBY</youtube> | |||
Latest revision as of 23:32, 27 August 2012
Microwaves are good for transmitting information from one place to another because microwave energy can penetrate haze, light rain and snow, clouds, and smoke. Shorter microwaves are used in remote sensing. These microwaves are used for radar like the doppler radar used in weather forecasts. Microwaves, used for radar, are just a few inches long.
Operations
With microwaves, no heat is applied per. Instead a form of radio waves (not nuclear nor ionizing radiation) pass through the material. The molecules in the material then act like miniature magnets attempting to align themselves with the electrical field. Under the influence of this high frequency alternating electrical field, the particles oscillate about their axes creating intermolecular friction which manifests itself as heat.
Video