Sentences with phrase «electromagnetic waves in»

Schumann hypothesized there were measurable electromagnetic waves in the atmosphere that existed in the cavity What your birthdate means for your life.

The team shows that a nanoscale metal rod on graphene (acting as an antenna for light) can capture infrared light and transform it into graphene plasmons, analogous to a radio antenna converting radio waves into electromagnetic waves in a metal cable.

Researchers with the BICEP2 project reported swirling patterns in the alignment of electromagnetic waves in the cosmic microwave background, or CMB, the primordial light released into the universe about 380,000 years after the Big Bang -LRB-

This research has mostly involved the use of metamaterials, which are extremely thin composites that bend electromagnetic waves in a way that negatively refracts lights.

Intensity is how much energy is carried by an electromagnetic wave in a given unit of time and in a given unit of area.

Not exact matches

There are many different types of changes in an ambient environment — some very fast like electromagnetic waves, some very slow like the accumulation of pollutants in the air, and some with rapid onsets and offsets but long durations like rainfall.

(2) Our second difficulty is that Whitehead's denial of the regional inclusion of small events by large events seems to exclude the possibility that the pattern of brain waves as a whole identifies mind - events that include the subordinate electromagnetic occurrences in the waves themselves.

Although the work is done in the context of a more general problem — the effect of environmental electromagnetic fields upon cellular functions — Adey is also concerned with the question of how brain waves might play a role in normal brain function.

An animal's brain waves can be directly manipulated by placing it in an electromagnetic field and modulating the electromagnetic waves within the range of the brain's natural rhythms.

Some people believe that the electromagnetic waves used in digital monitors can cause health issues in babies who are at a delicate stage of development.

Rather than dangerous X-rays, however, the chip beams out waves in the harmless terahertz frequency, a little - used portion of the electromagnetic spectrum between microwaves and far - infrared.

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

Just as light waves can be polarized horizontally or vertically depending on which way the electromagnetic field in them jiggles, gravitational waves can be polarized in two ways, according to general relativity, Will says.

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.

In other words, the importance of this work is in illuminating the fundamental workings of the brain - scientists can now splash away with their own self - generated electromagnetic waves and learn a great deal about how brainwaves respond and what they dIn other words, the importance of this work is in illuminating the fundamental workings of the brain - scientists can now splash away with their own self - generated electromagnetic waves and learn a great deal about how brainwaves respond and what they din illuminating the fundamental workings of the brain - scientists can now splash away with their own self - generated electromagnetic waves and learn a great deal about how brainwaves respond and what they do.

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.

For instance, just as accelerating charges produce electromagnetic waves (like visible light), accelerating masses should create gravitational waves — ripples in space.

Light is an electromagnetic wave, and its electric field is free to oscillate in any direction.

For example, nuclear properties played a vital role in the neutron - star merger event that was recently discovered by gravitational - wave and electromagnetic observatories around the world.

«We saw strong changes in the electromagnetic wave frequency while they were interacting with the electrons and strong changes in the electrons» activity as well,» Konstantinov said.

From there, the electrons and the waves could interact and the team observed changes in both the electrons and the electromagnetic waves.

To separate molecules and their mirror images, Dionne is developing techniques that use circularly polarized light, in which the light's wiggling electromagnetic waves rotate over time.

Light from the stellar remnant, a neutron star located about 400 light - years away, is polarized, meaning that its electromagnetic waves are oriented preferentially in a particular direction like light that reflects off the surface of water (SN: 7/8/06, p. 24).

«We achieved two goals with this project: First, we showed that we can use the science of topology to facilitate robust electromagnetic - wave propagation in electronics and circuit components.

Published in the journal Nature Medicine, the team describes successfully using electromagnetic waves to turn on insulin production to lower blood sugar in diabetic mice.

In the tunneling picture the laser field is considered as an electromagnetic wave, where only the oscillating electric field is retained.

When in an energized state, the enclosed plasma can readily radiate, absorb or reflect electromagnetic waves.

The new system, described in the March 5 edition of the journal Nature Communications, combines photons and phonons — electromagnetic energy and sound energy — to conduct sophisticated signal processing tasks by harnessing the properties of lower - velocity acoustic waves.

The energy loss function represents the level of interaction between the material and electromagnetic waves, and is expressed in terms of the change in the amount of energy lost from electrons and the change in momentum due to corresponding scattering events occurring in the material.

The reflected sample beam is recombined with the locally circulated light, and the difference in phase between the two beams — the relative alignment of the troughs and crests of their electromagnetic waves — yields a very precise measure of the distance the sample beam has traveled.

In their study, published in the May issue of the journal, Nature Communications, Professor Eunmi Choi of Natural Science and her team demonstrated a method with higher sensitivity that uses high - power pulsed electromagnetic - waves to detect a radioactive sourcIn their study, published in the May issue of the journal, Nature Communications, Professor Eunmi Choi of Natural Science and her team demonstrated a method with higher sensitivity that uses high - power pulsed electromagnetic - waves to detect a radioactive sourcin the May issue of the journal, Nature Communications, Professor Eunmi Choi of Natural Science and her team demonstrated a method with higher sensitivity that uses high - power pulsed electromagnetic - waves to detect a radioactive source.

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.

In fact, Reeves and other researchers are looking at the chorus waves studied by EMFISIS principal investigator Craig Kletzing (University of Iowa) and the EMFISIS team to see if and how chorus (or another type of electromagnetic wave) is behind the acceleration.

Federal officials think they've found the perfect technology: cameras that take pictures in the millimetre - wave part of the electromagnetic spectrum.

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

In this story, and in his latest book, 17 Equations that Changed the World, Ian Stewart uses Maxwell's equation for electromagnetic waves propagating in a vacuuIn this story, and in his latest book, 17 Equations that Changed the World, Ian Stewart uses Maxwell's equation for electromagnetic waves propagating in a vacuuin his latest book, 17 Equations that Changed the World, Ian Stewart uses Maxwell's equation for electromagnetic waves propagating in a vacuuin a vacuum.

Electromagnetic waves have both electric and magnetic components, and in this case astronomers were looking for the effect of gravity waves on the magnetic part.

In a new paper, electrical engineers at Duke University demonstrate the first completely dielectric (non-metal) electromagnetic metamaterial — a surface dimpled with cylinders like the face of a Lego brick that is designed to absorb terahertz waves.

In spite of the recent detection of gravitational waves from binary black holes by LIGO, direct evidence using electromagnetic waves remains elusive and astronomers are searching for it with radio telescopes.

In the respective gap, the light beams of the waveguides initiate electromagnetic surface waves, the so - called surface plasmons.

I built a work that exploits the phenomenon of sonoluminescence, in which extremely high pressure sound waves in liquids create tiny sources of electromagnetic energy.

In the 1930s, quantum theory grew to become quantum field theory, in which both electrons and electromagnetic particles, or photons, are represented as infinite sums over waveIn the 1930s, quantum theory grew to become quantum field theory, in which both electrons and electromagnetic particles, or photons, are represented as infinite sums over wavein which both electrons and electromagnetic particles, or photons, are represented as infinite sums over waves.

The piece of work referred to above proposes various compact devices comprising rectangular metal tubes with extremely narrow openings of dimensions designed in such a way that they are capable of redirecting the electromagnetic waves with levels of efficiency close to 100 %.

«Metamaterials have been proven to add value through their ability to process electromagnetic and sound waves in ways that no natural material can do.

To make the reconstruction imaging methods work, the light must be coherent, meaning that all the electromagnetic waves are in sync, and the pulses must be very bright.

MAVEN's magnetometer found a decrease in the occurrence of electromagnetic waves excited by hydrogen ions, indicating a decrease in the amount of hydrogen present.

With wavelength sizes between a millimeter and a meter, microwave radio frequencies are electromagnetic waves that use frequencies in the.3 gigahertz to 300 gigahertz range.

Researchers have developed a way to use commercial inkjet printers and readily available ink to print hidden images that are only visible when illuminated with appropriately polarized waves in the terahertz region of the electromagnetic spectrum.

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.