Sentences with phrase «electromagnetic waves at»

«We record the electromagnetic waves at the individual [radio telescope] stations,» continues Broderick.

This was feasible by the advent of Atacama Large Millimeter Array (ALMA), located on a mountaintop plateau in Chile, which works in tandem to detect electromagnetic waves at a wavelength range in the millimeter (pivotal for studying molecular gas) and a sensitivity level that is just starting to be explored by astronomers today.

The high - performance photodetector uses so - called surface plasmon polaritons, highly concentrated electromagnetic waves at metallic - dielectric interfaces, to combine optics and electronics on smallest space.

Not exact matches

At present, we have quite detailed knowledge about molecules, ions, atoms, elementary particles, electromagnetic waves, electric fields and all kinds of material processes, but we are still not yet able to say what «matter» ultimately is like.

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.

At the center of the controversy are two blobs about 450 light - years apart that emit radio waves — light at the low - frequency end of the electromagnetic spectruAt the center of the controversy are two blobs about 450 light - years apart that emit radio waves — light at the low - frequency end of the electromagnetic spectruat the low - frequency end of the electromagnetic spectrum.

«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.

The holograms are created by nanoscale patterns of metal that generate electromagnetic waves that travel at the metal - silicon interface; a field called plasmonics.

About 150 years ago, James Clerk Maxwell devised a set of equations that predicted the existence of electromagnetic waves propagating at the speed of light.

For more than a decade, scientists have been manipulating electromagnetic waves with metamaterials — assemblages of conductors and insulators patterned at length scales shorter than the waves themselves.

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.

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.

As soon as the electromagnetic waves of the light field hit the nanospheres, near - fields formed at the surface and began to pulsate.

They produce electromagnetic radiation across the electromagnetic spectrum at all wavelengths from long - wave radio to the shortest wavelength gamma rays.

It also helps shield the lines from outside interference and, at the same time, confine the electromagnetic waves flowing through them, almost completely eliminating current loss.

The ability to block electromagnetic (EM) waves comes about when a material's magnetic field resonates at the same frequency as the wave.

ALMA observes radio waves from the Universe, at the low - energy end of the electromagnetic spectrum.

«At microwaves and other low - frequency waves, absorbent materials can lower the scattering of electromagnetic waves for aircraft and other military targets, so as to achieve antiradar stealth,» it reads.

The result is ripples in space - time that spread out at the speed of light, just as electromagnetic waves generated by accelerating electric charges spread.

«The fact that this high - speed flickering was observed at the same time as flickering with a typical 1/10 second period may mean that the flickering aurora was caused by «electromagnetic ion cyclotron waves» (* 2), which are affected by both oxygen and hydrogen ions.»

As it turns out, when objects are extremely close together, heat flows not just as electromagnetic waves, but as evanescent waves — exponentially decaying waves that have little effect at the macroscale, as they typically die away before reaching another object.

They are electromagnetic waves like visible light but situated at the high energy / short wavelength end of the electromagnetic spectrum, between ultraviolet light and gamma rays.

Andrea Alù (The University of Texas at Austin)-- Electrical engineer Dr. Alù has made seminal contributions to the theory and engineering of metamaterials and introduced new concepts to create metamaterials that mold electromagnetic waves, light and sound in unusual ways.

The telescope will observe the universe at millimeter and submillimeter wavelengths, between infrared light and radio waves in the electromagnetic spectrum.

Similar to how optical telescopes, X-ray telescopes and radio telescopes all look at different bands of the electromagnetic spectrum and teach us different things about the cosmos, the detection of gravitational waves at different frequency bands also requires different detectors.

At the time, however, distant radio signals could seldom be heard above the ever - present crackle of background static from naturally occurring electromagnetic waves.

, accelerating his thoughts toward the notion of data which at this very moment encircles the planet as electromagnetic waves, as it travels with no temporal or spatial limitations.

``... this pulls the carbon in one direction and the oxygens in another, so an electromagnetic wave that vibrates at the correct frequency can excite the molecule into a vibrational motion in which the carbon atom moves in the opposite direction to the two oxygen atoms.

It's too smooth even at this time scale.It looks like a sine wave or the propagation of an electromagnetic or sound wave, maybe damped down a little in amplitude as it moves toward the present.

The SAR (Specific Absorption Rate) for mobile phones quantifies the maximum exposure level of the users to the electromagnetic waves, for use at the ear.