Electromagnetic radiation

Electromagnetic radiation

Energy propagated through space or through material media in the form of an advancing disturbance in electric and magnetic fields existing in space or in the media. The term radiation alone is used commonly for this type of energy, although it actually has a broader meaning. Also called electromagnetic energy or simply radiation. See electromagnetic spectrum.

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Industry/Domain: Earth science
Category: Oceanography
Company: Marine Conservation Society
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electromagnetic radiation

Energy; Nuclear energy

A traveling wave motion resulting from changing electric or magnetic fields. Familiar electromagnetic radiation range from x-rays (and gamma rays) of short wavelength, through the ...

electromagnetic radiation

Natural environment; Coral reefs

Energy that travels through space in the form of waves. The highest frequencies in the spectrum of electromagnetic radiation are gamma-rays; the lowest frequencies are radio ...

electromagnetic radiation

Medical devices; Radiology equipment

A traveling wave motion that results from changing electric and magnetic fields. Types of electromagnetic radiation range from those of short wavelength, like x-rays and gamma ...

electromagnetic radiation

Biotechnology; Genetic engineering

Electromagnetic waves, including ultraviolet (UV), X-rays, and gamma radiation ( rays). Electromagnetic radiation is used to produce mutant cells or organisms, or, in the case of ...

electromagnetic radiation

Aerospace; Satellites

Energy emitted as a result of changes in atomic and molecular energy states and propagated through space at the speed of light, i.e., energy transfer in the form of ...

electromagnetic radiation

Engineering; Electronic engineering

The propagation of electromagnetic fields through space; it normally occurs at approximately 299,792 kilometers per second or 186,282 miles per second.

placer

Earth science; Oceanography

A layer of minerals laid down by flowing water. People who pan for gold search through placers.

reef

Earth science; Oceanography

An underwater ridge of rock that rises up to or near the surface. Reefs are important ecosystems that provide home for sea life.

aquascape

Earth science; Oceanography

A scenic view of a body of water; an area having a natural or constructed aquatic feature (as a pond or fountain).

equatorial rossby wave

Earth science; Oceanography

An equatorially trapped westward propagating wave that moves due to isentropic gradients of potential vorticity. The meridional velocity of the n'th mode of these waves has the ...

blackbody radiator

Earth science; Oceanography

A hypothetical, ideal radiator that totally absorbs and reemits all energy incident upon it. Actual objects only approach this ideal.

shear instability

Earth science; Oceanography

An instability of an unbounded parallel shear flow to the growth and nonlinear development of waves with phase speed in the along flow direction approximately equal to the speed ...

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Industry/Domain: Food (other) Category: Herbs & spices

Cayenne pepper

Spice (ground) Description: Powdered seasoning made from a variety of tropical chiles, including red cayenne peppers. It is very hot and spicy, so use ...