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Longer titles found: Electromagnetic radiation and health (view), Absorption (electromagnetic radiation) (view)

searching for Electromagnetic radiation 93 found (1741 total)

alternate case: electromagnetic radiation

Reflection (physics) (2,129 words) [view diff] no match in snippet view article

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which

CONELRAD (1,497 words) [view diff] case mismatch in snippet view article find links to article

CONELRAD (Control of Electromagnetic Radiation) was a method of emergency broadcasting to the public of the United States in the event of enemy attack

Explicit symmetry breaking (472 words) [view diff] exact match in snippet view article find links to article

breaking is also associated with electromagnetic radiation. A system of accelerated charges results in electromagnetic radiation when the geometric symmetry

Minimum ignition energy (150 words) [view diff] exact match in snippet view article find links to article

discharge of electrostatic energy, mechanical ignition sources or electromagnetic radiation. It is an important parameter for the design of the protective

Light scattering by particles (891 words) [view diff] exact match in snippet view article find links to article

particles is a branch of computational electromagnetics dealing with electromagnetic radiation scattering and absorption by particles. In case of geometries

Electronic warfare support measures (370 words) [view diff] exact match in snippet view article find links to article

narrow bandpass to discriminate the signal of interest from other electromagnetic radiation on nearby frequencies, and (4) good angle-of arrival measurement

SIGTOT (283 words) [view diff] exact match in snippet view article find links to article

TEMPEST, of sensitive information leaking by way of unintended electromagnetic radiation for the circuits used inside encryption machine was first discovered

Electromagnetic therapy (280 words) [view diff] exact match in snippet view article find links to article

medicine; Electromagnetic therapy (alternative medicine), the use of electromagnetic radiation to treat disease. Evidence of efficacy is lacking. Pulsed electromagnetic

Chromosphere (1,304 words) [view diff] exact match in snippet view article find links to article

chromosphere is primarily obtained by analysis of its emitted electromagnetic radiation. The chromosphere is also visible in the light emitted by ionized

Kilonova (2,193 words) [view diff] exact match in snippet view article find links to article

mergers are thought to produce gamma-ray bursts and emit bright electromagnetic radiation, called "kilonovae", due to the radioactive decay of heavy r-process

Stanford Synchrotron Radiation Lightsource (933 words) [view diff] exact match in snippet view article find links to article

Facility which provides synchrotron radiation, a name given to electromagnetic radiation in the x-ray, ultraviolet, visible and infrared realms produced

Electro-optical sensor (630 words) [view diff] exact match in snippet view article find links to article

into an electronic signal. These sensors are able to detect electromagnetic radiation from the infrared up to the ultraviolet wavelengths. They are

Lynx Supercluster (436 words) [view diff] exact match in snippet view article find links to article

groups of galaxies are associated with the supercluster. Through electromagnetic radiation and how it reacts with matter, we have been able to find three

List of light sources (1,533 words) [view diff] exact match in snippet view article find links to article

Cherenkov radiation – Electromagnetic radiation from a charged particle in a medium Synchrotron radiation – Electromagnetic radiation emitted by charged

Inverse-square law (3,361 words) [view diff] no match in snippet view article find links to article

In science, an inverse-square law is any scientific law stating that the observed "intensity" of a specified physical quantity is inversely proportional

Cygnus OB2-12 (1,295 words) [view diff] exact match in snippet view article find links to article

luminous blue hypergiant with an absolute bolometric magnitude (all electromagnetic radiation) of −10.9, among the most luminous stars known in the galaxy.

Soret peak (292 words) [view diff] exact match in snippet view article find links to article

spectroscopy, corresponding to a wavelength of maximum absorption (electromagnetic radiation) ranging around 400 nm in the blue region. The Soret band arises

Inverse-square law (3,361 words) [view diff] no match in snippet view article find links to article

In science, an inverse-square law is any scientific law stating that the observed "intensity" of a specified physical quantity is inversely proportional

Visible-light astronomy (1,339 words) [view diff] exact match in snippet view article find links to article

differs from astronomies based on invisible types of light in the electromagnetic radiation spectrum, such as radio waves, infrared waves, ultraviolet waves

The Second Gleam (187 words) [view diff] case mismatch in snippet view article find links to article

Avett Brothers and Doug Williams, recorded by Doug Williams at Electromagnetic Radiation Recorders, with the exception of "The Greatest Sum (Electric)"

Curie (unit) (793 words) [view diff] exact match in snippet view article

Radioactive decay can lead to the emission of particulate radiation or electromagnetic radiation. Ingesting even small quantities of some particulate emitting

Maxwell (microarchitecture) (1,597 words) [view diff] exact match in snippet view article

named after James Clerk Maxwell, the founder of the theory of electromagnetic radiation. The Maxwell architecture is used in the system on a chip (SOC)

Agricultural drone (946 words) [view diff] exact match in snippet view article find links to article

Multispectral sensors are used on agricultural drones to image electromagnetic radiation beyond the visible spectrum, including near-infrared and short-wave

IPhone 12 (3,630 words) [view diff] no match in snippet view article find links to article

The iPhone 12 and iPhone 12 Mini (stylized and marketed as iPhone 12 mini) are smartphones designed, developed, and marketed by Apple Inc. They are the

Classical electron radius (844 words) [view diff] exact match in snippet view article find links to article

length scale for problems involving an electron interacting with electromagnetic radiation. It links the classical electrostatic self-interaction energy

Luminous efficacy (2,100 words) [view diff] exact match in snippet view article find links to article

of a source is the product of how well it converts energy to electromagnetic radiation, and how well the emitted radiation is detected by the human eye

Radiometric calibration (572 words) [view diff] exact match in snippet view article find links to article

set of calibration techniques in support of the measurement of electromagnetic radiation and atomic particle radiation. These can be for instance, in the

Coded aperture (760 words) [view diff] exact match in snippet view article find links to article

other patterns of materials opaque to various wavelengths of electromagnetic radiation. The wavelengths are usually high-energy radiation such as X-rays

Primeval Structure Telescope (377 words) [view diff] exact match in snippet view article find links to article

the electromagnetic radiation spectral line that is created by a change in the energy state of neutral hydrogen atoms. This electromagnetic radiation is

Gantry (medical) (430 words) [view diff] exact match in snippet view article

illness. Radiation sources may produce gamma radiation, x-rays, electromagnetic radiation, or magnetic fields depending on the purpose of the device. The

GRB 190114C (944 words) [view diff] exact match in snippet view article find links to article

astronomers, "We observed a huge range of frequencies in the electromagnetic radiation afterglow of GRB 190114C. It is the most extensive to date for

Kirchhoff's circuit laws (1,707 words) [view diff] exact match in snippet view article find links to article

and for AC circuits at frequencies where the wavelengths of electromagnetic radiation are very large compared to the circuits. This law, also called

Bo Thidé (779 words) [view diff] exact match in snippet view article find links to article

emeritus at Uppsala University. He has studied radio waves and other electromagnetic radiation in space, particularly their interaction with matter and fields

Microwave electrothermal thruster (1,290 words) [view diff] exact match in snippet view article find links to article

a propulsion device that converts microwave energy (a type of electromagnetic radiation) into thermal (or heat) energy. These thrusters are predominantly

List of astronomical instruments (516 words) [view diff] exact match in snippet view article find links to article

descriptions as a fallback Bolometer – Device for measuring incident electromagnetic radiation Canterbury Astrolabe Quadrant – astrolabe in the British MuseumPages

Dielectric wireless receiver (497 words) [view diff] exact match in snippet view article find links to article

interconnects. It offers immunity against damage from intense electromagnetic radiation, produced by EMP and HPM sources. This receiver is known as ADNERF

Neutron star merger (2,193 words) [view diff] exact match in snippet view article find links to article

kilonovae, which are transient sources of isotropic longer wave electromagnetic radiation due to the radioactive decay of heavy r-process nuclei that are

X-ray (disambiguation) (347 words) [view diff] exact match in snippet view article

X-ray in Wiktionary, the free dictionary. X-rays are a form of electromagnetic radiation or radiographs: photographs made with X-rays. X-ray or Xray may

Sunshine (disambiguation) (1,139 words) [view diff] exact match in snippet view article

in Wiktionary, the free dictionary. Sunshine is sunlight, the electromagnetic radiation emitted by the Sun, especially in the visible wavelengths. Sunshine

MMW (139 words) [view diff] exact match in snippet view article find links to article

Wanted, a parody on life in the ghettos of L.A. Millimetre wave, electromagnetic radiation. MMW Enterprises, Inc., a construction company based in Jackson

Line source (1,243 words) [view diff] exact match in snippet view article find links to article

volume source, is a source of air, noise, water contamination or electromagnetic radiation that emanates from a linear (one-dimensional) geometry. The most

Image-forming optical system (293 words) [view diff] exact match in snippet view article find links to article

photographic equipment today. Lower-energy X-Rays are the highest energy electromagnetic radiation that can be formed into an image, using a Wolter telescope. There

Image-forming optical system (293 words) [view diff] exact match in snippet view article find links to article

photographic equipment today. Lower-energy X-Rays are the highest energy electromagnetic radiation that can be formed into an image, using a Wolter telescope. There

Accelerator Test Facility (New York) (69 words) [view diff] exact match in snippet view article

accelerator physics and studies the interactions of high power electromagnetic radiation and high brightness electron beams, including plasma-acceleration

Radiology (5,771 words) [view diff] exact match in snippet view article find links to article

all imaging modalities, including those that use no ionizing electromagnetic radiation (such as ultrasonography and magnetic resonance imaging), as well

List of metric units (2,734 words) [view diff] no match in snippet view article find links to article

Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. According to Schadow and McDonald

High-intensity radiated field (476 words) [view diff] exact match in snippet view article find links to article

controlled, safe use. Radio-frequency (RF) energy is non-ionizing electromagnetic radiation – its effects on tissue are through heating. Electronic components

Supernova Era (695 words) [view diff] exact match in snippet view article find links to article

novel portrays a luminous stellar explosion releasing powerful electromagnetic radiation and high-energy particles into the universe as far as the solar

NMR (disambiguation) (144 words) [view diff] exact match in snippet view article

phenomenon in which nuclei in a magnetic field absorb and re-emit electromagnetic radiation. NMR may also refer to: Nuclear magnetic resonance spectroscopy

Astrophysics (3,291 words) [view diff] exact match in snippet view article find links to article

Stereoscopic System (H.E.S.S.) and the MAGIC telescope. Other than electromagnetic radiation, few things may be observed from the Earth that originate from

Rapid radiative transfer model (258 words) [view diff] exact match in snippet view article find links to article

Radiative Transfer Model (RRTM) is a simulation for the flow of electromagnetic radiation in and out of the Earth. It is a validated, correlated k-distribution

Outline of black holes (2,238 words) [view diff] exact match in snippet view article find links to article

exhibiting such a strong gravitational pull that no particle or electromagnetic radiation can escape from inside it. The theory of general relativity predicts

Infrared heater (2,937 words) [view diff] exact match in snippet view article find links to article

high-temperature emitter that transfers energy to a cooler object through electromagnetic radiation. Depending on the temperature of the emitter, the wavelength of

Recombination (cosmology) (2,566 words) [view diff] exact match in snippet view article

protons: the hadron epoch. This plasma was effectively opaque to electromagnetic radiation due to Thomson scattering by free electrons, as the mean free

Photoluminescence (3,340 words) [view diff] exact match in snippet view article find links to article

emission from any form of matter after the absorption of photons (electromagnetic radiation). It is one of many forms of luminescence (light emission) and

Recombination (cosmology) (2,566 words) [view diff] exact match in snippet view article

protons: the hadron epoch. This plasma was effectively opaque to electromagnetic radiation due to Thomson scattering by free electrons, as the mean free

Jeanette Grasselli Brown (1,845 words) [view diff] exact match in snippet view article find links to article

Spectroscopy is a technique used to measure the interaction of electromagnetic radiation with matter. Her areas of expertise encompass fields such as vibrational

Blue laser (disambiguation) (90 words) [view diff] exact match in snippet view article

A blue laser is a laser that emits electromagnetic radiation with a wavelength 360–480nm, which the human eye sees as blue or violet. Blue laser may also

X-ray flash (astronomy) (252 words) [view diff] exact match in snippet view article

amount of baryonic matter, thus limiting the energy available for electromagnetic radiation, and emitting a much "cooler" spectrum rich in X-rays and very

Extended hemispherical lens (157 words) [view diff] exact match in snippet view article find links to article

hemispherical lens is a commonly used lens for millimeter-wave electromagnetic radiation. Such lenses are typically fabricated from dielectric materials

Gamma ray (disambiguation) (109 words) [view diff] exact match in snippet view article

in Wiktionary, the free dictionary. Gamma rays are a form of electromagnetic radiation. Gamma Ray may also refer to: Gamma Ray (band), a German power

Solarization (disambiguation) (184 words) [view diff] exact match in snippet view article

temporary change in color after being subjected to high-energy electromagnetic radiation, such as ultraviolet light or X-rays Soil solarization, method

Rose Frain (546 words) [view diff] exact match in snippet view article find links to article

2000, where she created the installation Radio Vaticana, citing electromagnetic radiation from the Vatican's radio transmitters. In 2007 she received a

C-FAST (597 words) [view diff] exact match in snippet view article find links to article

infection with the hepatitis C virus (HCV) from a distance, using electromagnetic radiation emanating from the virus' genome. At a press conference in February

Cyborg antenna (800 words) [view diff] exact match in snippet view article find links to article

the skull to report information. This includes measurements of electromagnetic radiation, phone calls, music, as well as video or images which are transmitted

Relativistic beaming (1,650 words) [view diff] exact match in snippet view article find links to article

Consider a cloud of gas moving relative to the observer and emitting electromagnetic radiation. If the gas is moving towards the observer, it will be brighter

List of electrical phenomena (831 words) [view diff] exact match in snippet view article find links to article

surface (usually metallic) upon exposure to, and absorption of, electromagnetic radiation (such as visible light and ultraviolet radiation). Photovoltaic

Seyfert galaxy (5,702 words) [view diff] exact match in snippet view article find links to article

galaxies. They have quasar-like nuclei (very luminous sources of electromagnetic radiation that are outside of our own galaxy) with very high surface brightnesses

Overtone band (420 words) [view diff] exact match in snippet view article find links to article

meaning they can assume only some "discrete" values of energy. When electromagnetic radiation is shined on a sample, the molecules can absorb energy from the

Riometer (549 words) [view diff] exact match in snippet view article find links to article

antenna operating in the VHF radio frequency range (~30-40 MHz). Electromagnetic radiation of that frequency is typically Galactic synchrotron radiation

Radiant intensity (590 words) [view diff] exact match in snippet view article find links to article

Symbol Name Symbol Radiant energy Qe joule J M⋅L2⋅T−2 Energy of electromagnetic radiation. Radiant energy density we joule per cubic metre J/m3 M⋅L−1⋅T−2

Brightness temperature (1,257 words) [view diff] exact match in snippet view article find links to article

physically recognizable way to describe intensity". When the electromagnetic radiation observed is thermal radiation emitted by an object simply by virtue

Sonja Ashauer (338 words) [view diff] exact match in snippet view article find links to article

been a brilliant student. Her thesis (Problems in electrons and electromagnetic radiation) explored the cutting-edge field of quantum electrodynamics. In

StarChase (515 words) [view diff] exact match in snippet view article find links to article

interference (through electronic discharge immobilising devices, electromagnetic radiation devices, and directed energy devices), and remote tracking. Its

Fluorescent (disambiguation) (85 words) [view diff] exact match in snippet view article

emission of light by a substance that has absorbed light or other electromagnetic radiation "Fluorescent", a song by Gwen Stefani from her second studio album

Weyl expansion (619 words) [view diff] exact match in snippet view article find links to article

commonly encountered in microwave integrated circuit analysis and electromagnetic radiation over a stratified medium; as in the case for Sommerfeld integral

Air shower (physics) (3,695 words) [view diff] exact match in snippet view article

produced and decay rapidly in the air, producing other particles and electromagnetic radiation, which are part of the shower components. Depending on the energy

Electric susceptibility (1,573 words) [view diff] case mismatch in snippet view article find links to article

Lafyatis, Gregory (2019). "Essentials of Electricity and Magnetism". Electromagnetic Radiation. Oxford University Press. doi:10.1093/oso/9780198726500.003.0001

Rotating-wave approximation (2,359 words) [view diff] exact match in snippet view article find links to article

are neglected. This is a valid approximation when the applied electromagnetic radiation is near resonance with an atomic transition, and the intensity

Gurgen Askaryan (2,815 words) [view diff] exact match in snippet view article find links to article

variable current is the source of electromagnetic radiation. Therefore, every shower is the source of electromagnetic radiation. These studies opened new perspectives

Welding of advanced thermoplastic composites (2,192 words) [view diff] case mismatch in snippet view article find links to article

which the LASER (Light Amplification of Simulated Emission of electromagnetic Radiation), a highly focused coherent beam of light melts the composite

Polaritonics (1,408 words) [view diff] exact match in snippet view article find links to article

phonon-polaritons, just as electronics and photonics would be reduced to just electromagnetic radiation. These three elements can be combined to enable device functionality

Rydberg formula (1,897 words) [view diff] exact match in snippet view article find links to article

respect to the atomic nucleus (at least temporarily) to produce electromagnetic radiation, but this theory was superseded in 1913 by Niels Bohr's model

Fraxel (586 words) [view diff] exact match in snippet view article find links to article

Kin F. Chan, "Method and device for tightening tissue using electromagnetic radiation", issued 4 December 2012 US 8435234, Kin F. Chan, Leonard C.

List of physical quantities (187 words) [view diff] exact match in snippet view article find links to article

through a circuit henry (H) L2 M T−2 I−2 scalar Irradiance E Electromagnetic radiation power per unit surface area W/m2 M T−3 intensive Intensity I Power

Effect of radiation on perceived temperature (735 words) [view diff] exact match in snippet view article find links to article

above absolute zero (-273.15 °C). It differs from other forms of electromagnetic radiation such as x-rays, gamma rays, microwaves that are not related to

Kurt Huldschinsky (358 words) [view diff] exact match in snippet view article find links to article

bio-chemical mechanism triggered in the human dermis by the sun's electromagnetic radiation was not yet discovered, and scientists were mostly exploring the

Theodore Litovitz (253 words) [view diff] exact match in snippet view article find links to article

electronic chip (EMX Biochip) to shield cell phone users from harmful electromagnetic radiation, and some of the early fiber optics now used in telecommunications

Bolometer (2,119 words) [view diff] exact match in snippet view article find links to article

fitted with a sensitive galvanometer and connected to a battery. Electromagnetic radiation falling on the exposed strip would heat it and change its resistance

SPARK Museum of Electrical Invention (814 words) [view diff] exact match in snippet view article find links to article

transcontinental telephone call. a copy of the famous W.M. Welch chart of electromagnetic radiation that was used in many colleges and laboratories starting in the

Water hole (radio) (273 words) [view diff] exact match in snippet view article

Plot of Earth's atmospheric transmittance (or opacity) to various wavelengths of electromagnetic radiation

Full body scanner (9,411 words) [view diff] exact match in snippet view article find links to article

been used in practice: Millimeter wave scanners use non-ionizing electromagnetic radiation similar to that used by wireless data transmitters, in the extremely

Penetration (267 words) [view diff] exact match in snippet view article find links to article

target's armor or other protection Penetration depth of light or any electromagnetic radiation in a physical medium Penetrating trauma, injury that occurs when