Sentences with phrase «electromagnetic radiation in»

Most energy that reaches Earth's surface comes from the sun as electromagnetic radiation in form of infrared, visible, and UV rays.

18 H. Energy in Earth System Most energy that reaches Earth's surface comes from the sun as electromagnetic radiation in form of infrared, visible, and UV rays.

Actually while light reflected from a page of paper or eInk as opposed to an LCD is has «NO DIFFERENCE» in the sense that both are electromagnetic radiation in the visible spectrum, that's about where the similarity ends.

Abstract: Surface plasmon resonances provide a pathway to efficiently capture electromagnetic radiation in sub-wavelength structures for energy conversion and photodetection at the nano scale.

The reacceleration of previously accelerated particles makes them emit electromagnetic radiation in the radio - frequency band.

Scientists from ITMO University, Australian National University, Ioffe Physical - Technical Institute, University Medical Center Utrecht and Institute of Experimental Medicine RAMS demonstrated that the quality of MRI images could be substantially increased with the aid of metamaterials — artificial periodic structures that can interact with electromagnetic radiation in an extraordinary fashion.

IT IS like a valve for light — the first material that transmits electromagnetic radiation in one direction only.

One other item that's helped me quite a bit that you might like to look into is electromagnetic radiation in your living environment.

They would have to emit electromagnetic radiation in the visible spectrum to be seen by the human eye.

Not exact matches

While they are superior in quality of sound and vision than analog monitors, they carry the possible risk of exposure to electromagnetic radiation to your baby and may not be something everyone would choose for baby safety or to babyproof their home.

In the hopes of seeing the gas clouds from which the first stars arose, Loeb has devoted much of the past decade to a new field called 21 - centimeter cosmology, a branch of radio astronomy that focuses on identifying electromagnetic radiation that started out with a wavelength of 21 centimeters.

Early researchers differed in their explanations of the fundamental nature of what we now call electromagnetic radiation.

These records have raised hopes that, for the first time, scientists may have glimpsed electromagnetic radiation — light — produced in tandem with gravitational waves.

X-rays are a form of electromagnetic radiation with a wavelength in the range of 10 to 0.1 nanometers, corresponding to frequencies in the range 30 to 3000 PHz.

But a focused and sustained blast of electromagnetic radiation — either in the form of microwaves or lasers — would add orders of magnitude more momentum to the craft.

The researchers observed FRB 150807 while monitoring a nearby pulsar — a rotating neutron star that emits a beam of radio waves and other electromagnetic radiation — in our galaxy using the Parkes radio telescope in Australia.

The researchers combined these «universal relations» with data on gravitational - wave signals and the subsequent electromagnetic radiation (kilonova) obtained during the observation last year of two merging neutron stars in the framework of the LIGO experiment.

«The evidence that these new gravitational waves are from merging neutron stars has been captured, for the first time, by observatories on Earth and in orbit that detect electromagnetic radiation, including visible light and other wavelengths,» said Chad Hanna, assistant professor of physics and of astronomy & astrophysics and Freed Early Career Professor at Penn State.

Light is electromagnetic radiation with a wavelength that is visible to the eye (visible light) or, in a technical or scientific context, electromagnetic radiation of any wavelength.

Materials already being developed could funnel light and electromagnetic radiation around any object and render it invisible, theoretical physicists predict online in Science this week (see www.sciencemag.org/cgi/content/abstract/1125907 and www.sciencemag.org/cgi/content/abstract/1126493).

Although these stellar oddities emit radiation across the electromagnetic spectrum, observing in the X-ray band offers the greatest insights into these unusual, incredibly dense celestial objects, which, if compressed any further, would collapse completely into black holes.

«Sunlight is a mixture of electromagnetic radiation made up of near - UV rays, visible light, and infrared energy, or heat,» said Yueh - Lin (Lynn) Loo, director of the Andlinger Center for Energy and the Environment, and the Theodora D.»78 and William H. Walton III»74 Professor in Engineering.

And in May, a week after Massachusetts Sen. Edward Kennedy was diagnosed with a glioma, The EMR Policy Institute, a Marshfield, Vt. — based nonprofit organization that supports research on the effects of electromagnetic radiation, released a statement linking his tumor to heavy cell phone use.

When a transmitter drives an oscillating current in an antenna electromagnetic radiation — which carries both power and signals away from the source — is emitted.

It wasn't for lack of interest: since their discovery in the late 1960s, these brief flashes of high - energy electromagnetic radiation have been one of the enduring mysteries of astrophysics.

They had succeeded in cloaking a small cylindrical object — shielding it not from visible light but from microwaves, a form of electromagnetic radiation with a substantially longer wavelength, which makes the cloaking effect considerably easier to achieve.

The movement is created, Flatté and his team say, when electrons whose magnetic spin is disturbed by the current on the first sheet exert a force, through electromagnetic radiation, to create magnetic spin in the second sheet.

The metal circuitry is designed to direct incoming electromagnetic radiation — in this case, microwaves — so it moves in a specific way.

Pendry knew he was in uncharted territory, but at first he didn't comprehend the magnitude of his idea: By combining the electrical properties of Marconi's radar - absorbing material with the magnetism imparted by the copper wire, he had unknowingly figured out how to manipulate electromagnetic radiation, including visible light — making wild applications like Harry Potter's invisibility cloak suddenly within reach.

If the particle travels fast enough, its impact appears to create electromagnetic radiation (in the form of radio waves) that can damage or even disable the craft's electronic systems.

Electromagnetic radiation is a propagating wave in space with electric and magnetic components.

Scientists refer to color in terms of wavelength, a characteristic of electromagnetic radiation, but there is no universal match of specific wavelength values to specific color names.

A sequence of various types of electromagnetic radiation followed that gravitational trill, like musical instruments taking turns in a symphony.

Sky surveys and mappings of the various wavelength bands of electromagnetic radiation (in particular 21 - cm emission) have yielded much information on the content and character of the universe's structure.

Shielding makes it possible to insulate electrical conductors so they can be handled safely, even if they carry 220 lethal volts, and for the same reason, radios, which feed on electromagnetic radiation, fade in highway tunnels.

This is a process known as Mie scattering — the scattering of electromagnetic radiation, or light in this case by a sphere.

The CALLISTO (Compound Astronomical Low - cost Low - frequency Instrument for Spectroscopy in Transportable Observatory) spectrometers, designed and built by electronics engineer Christian Monstein of the Institute for Astronomy of the Swiss Federal Institute of Technology Zurich (ETH Zurich), record the intensity of electromagnetic radiation at radio frequencies, between 45 and 870 megahertz.

They found that in the absence of the cloud, electromagnetic waves accelerated large numbers of electrons to high speed in Earth's inner radiation belt, causing a huge increase in radiation there.

This study strongly suggests that being exposed to radio - frequency electromagnetic radiation from carrying mobiles in trouser pockets negatively affects sperm quality.

The relatively high density of plasma in the cloud prevents the formation of electromagnetic waves that would otherwise accelerate electrons to high speeds, turning them into a form of radiation.

Optical technologies can finagle light in the shorter - wavelength visible and infrared range, while electromagnetic techniques can manipulate longer - wavelength radiation like microwaves and radio waves.

In Hu and his colleagues» array, each laser generates an electromagnetic field that induces a current in the lasers around it, which synchronizes the phase of the radiation they emiIn Hu and his colleagues» array, each laser generates an electromagnetic field that induces a current in the lasers around it, which synchronizes the phase of the radiation they emiin the lasers around it, which synchronizes the phase of the radiation they emit.

His theoretical research focuses on novel optical effects such as so - called transformation optics — bending light in curious ways with metamaterials, or assemblages of rods and rings smaller than a wavelength of electromagnetic radiation.

«It seems we have strong reason to conclude that light itself (including radiant heat, and other radiations if any) is an electromagnetic disturbance in the form of waves propagated through the electromagnetic field,» he wrote in 1864.

A novel metamaterial enables a fast, efficient and high - fidelity terahertz radiation imaging system capable of manipulating the stubborn electromagnetic waves, advancing a technology with potential applications in medical and security imaging, a team led by Boston College researchers reports in the online edition of the journal Nature Photonics.

The finding that a single layer of atoms modifies properties of light and other electromagnetic radiation has implications for controlling light at subwavelength scales in photonic devices such as LEDs and photovoltaic cells.

It was the first cosmic event in history to be witnessed via both traditional telescopes, which can observe electromagnetic radiation like gamma rays, and gravitational wave detectors, which sense the wrinkles in space - time produced by distant cataclysms.

Previously, all astronomy observations have relied on light — which includes X-rays, radio waves, and other types of electromagnetic radiation emanating from objects in space — or on very - high - energy particles called neutrinos and cosmic rays.

Before crossing the point of no return (the event horizon), this material generates huge amounts of electromagnetic radiation and, in the case of quasars, blasts out two jets of subatomic particles that travel in opposite directions at nearly the speed of light.

And, it is hypothesized that gravitational waves are responsible for transporting energy in the form of gravitational radiation — much like electromagnetic waves carry electromagnetic radiation.