Sentences with phrase «field electromagnetic waves»

Either way, far - field electromagnetic waves have been ignored as a potential wireless power source for medical devices.

Not exact matches

He begins by noting that groups of neurons firing simultaneously produce complex interrelated patterns of brain waves within the electromagnetic field which is the brain itself.
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.
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.
Like any electromagnetic wave, a laser beam contains an electric field that whips back and forth.
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.
Light is an electromagnetic wave, and its electric field is free to oscillate in any direction.
The holograms are created by nanoscale patterns of metal that generate electromagnetic waves that travel at the metal - silicon interface; a field called plasmonics.
«By light we mean electromagnetic fields: radio waves, microwaves, or light.
Combined, these undulating fields are known as electromagnetic waves, and give us visible light, as well as invisible radio waves, microwaves and X-rays.
In the tunneling picture the laser field is considered as an electromagnetic wave, where only the oscillating electric field is retained.
As soon as the electromagnetic waves of the light field hit the nanospheres, near - fields formed at the surface and began to pulsate.
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 waves.
The ability to block electromagnetic (EM) waves comes about when a material's magnetic field resonates at the same frequency as the wave.
«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.
We have opened the field of gravitational - wave astronomy, and we'll learn about distortions in space - time produced by cataclysmic events, even if they are dark in the electromagnetic spectrum.»
The pulsar's rotation is thought to slow because the neutron star's powerful magnetic field acts as a giant dynamo, emitting light, radio waves and other electromagnetic radiation as the star rotates.
Despite their relatively diminutive size, GW170608's black holes will greatly contribute to the growing field of «multimessenger astronomy,» where gravitational wave astronomers and electromagnetic astronomers work together to learn more about these exotic and mysterious objects.
In an assumed ideal free space (without intrusion from other fields or forces of any kind, devoid of matter, and, thus, in effect without any intrusions, demarcations, or boundaries), such waves propagate with the speed of light in the so - called transverse electromagnetic mode — one...
As we slumber on a metal coil - spring mattress, a wave of electromagnetic radiation envelops our bodies so that the maximum strength of the field develops 75 centimeters above the mattress in the middle of our bodies.
Electromagnetic fields are comprised of an electric and a magnetic field perpendicular to each other, which travel together in an invisible wave form.
Electromagnetic fields, or EMFs, are invisible waves of force that are emitted any time electricity is generated or used.
4.6.2.4 - Uses and applications of electromagnetic waves (P6.8 lesson) Paper 2 topic 3 (4.7 - Magnetism and electromagnetism) 4.7.1.1 - Poles of a magnet (P7.1 lesson) 4.7.1.2 - Magnetic fields (P7.1 lesson) 4.7.2.1 — Electromagnetism (P7.2 lesson) 4.7.2.2 - Fleming's left - hand rule (HT only)(P7.3 lesson) 4.7.2.3 - Electric motors (HT only)(P7.3 lesson)
Since 2006, Dephasium Ltd. has launched a program of research and development to become the leader in the field of people protection against electromagnetic waves emitted by mobile phones.
In «Chromasonic Field Blue / Green,» he investigates perceptual events by transposing electromagnetic waves of light onto the mechanical waves of sound through Spectro - Sonic Refrequencers, in effect making light audible.
Hidden completely by the artist's hand or left partially uncovered revealing location fragments and compositional details, the shields transmute into an etheric gold energy field, evoking electromagnetic waves, spiritual waters and inner auric light.
Pearlescent blobs represent luminous astral bodies; fields of fine colored lines suggest waves of electromagnetic radiation; swirly puddles of poured paint read as galactic soup.
The earth's magnetic field protects us from charged particle radiation, not from electromagnetic waves (which are 99.9999 % the cause of solar heating).
PNNL researchers are examining whether a variety of fish and invertebrates change their behavior during and after exposure to an electromagnetic field similar to those produced by marine and hydrokinetic power devices that capture energy from ocean waves, tides, currents and rivers.
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