Sentences with phrase «radiation emitted from»

As I understand «tempest device», this is a method of obtaining information from stray EMR from computers and the like, which picks up on radiation emitted from a device.

It is simply the integration of Planck's Law: «In physics, Planck's law describes the electromagnetic radiation emitted from a black body at absolute temperature T.

Clouds also absorb and reflect radiation emitted from Earth's surface.

But I don't see why that doesn't mean we can't accurately calculate the radiation emitted from the surface of the earth.

It is NOT true that all the radiation emitted from the Earth surface.

On cloudy nights, the back radiation is almost the same as the radiation emitted from the surface.

All these technologies use the IR radiation emitted from the objects being scanned, at least according to all the various manufacturers I am familiar with.

The researchers, led by scientists from the US Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), measured atmospheric carbon dioxide's increasing capacity to absorb thermal radiation emitted from the Earth's surface over an eleven - year period at two locations in North America.

10 How the Atmosphere Affects Climate (Page 273) Earth's atmosphere can absorb and reflect radiation emitted from the Sun and from Earth's surface.

The researchers, led by Berkeley Lab scientists, measured atmospheric carbon dioxide's increasing capacity to absorb thermal radiation emitted from the Earth's surface over an eleven - year period at two locations in North America.

So they let most of the incoming solar radiation through but absorb most of the shortwave radiation emitted from the surface (and at all levels).

About 70 % of the longwave radiation emitted from the Earth's surface is absorbed by the atmosphere's greenhouse gases.

By some miracle, a very large fraction of the broadband radiation emitted from a gas filled lamp comes from that very gas filling, which of course can't emit BB like continuum radiation.

These images correspond to microwave radiation emitted from Earth's surface and can be related to soil moisture and ocean salinity.

Or, put another way, methane is more effectual than carbon dioxide at absorbing infrared radiation emitted from the earth's surface and preventing it from escaping into space.

Does the atmosphere absorb any significant radiation emitted from the surface?

«The theoretical black body absorbs - by definition - all radiation [including radiation emitted from cooler bodies — Lazar].

The effect of more CO2 is an insignificant increase in the radiation emitted from the coldest, lowest radiance layer of the atmosphere, «too tiny to matter.»

A huge laser delivers a large amount of energy in a short time to heat the walls of the larger chamber, and the radiation emitted from those walls in turn drives the small capsule to a very small size, increasing the density of the gases inside to much higher density than lead and heating it at the same time to very high temperatures required for fusion to occur.

Actually the judge asked a slightly incorrect question (probably unwise to correct him publicly), the question should be,» What is the molecular difference by which CO2 absorbs infrared radiation emitted from the Earth's surface but oxygen and nitrogen do not?»

The outgoing longwave radiation is composed not just of the radiation that leaks through to the top from the warm lower layers, but also of the «cold» radiation emitted from the upper atmosphere.

If it is correct, then the IR radiation emitted from the earth's surface and absorbed will be nearly completely thermalized and not re-emitted, i.e. it will heat the air.

Thus radiation emitted from below the TAU = 1 level gets mostly absorbed before it can get out to space.

Nuclear medicine scans involve injecting a short - acting radioactive agent into the patient, and images of the radiation emitted from the patient are recorded using a gamma camera.

The plot is just non sensical really, dead aliens in the trunk of a car that is being driven around by some scientist guy who is slowly going mad from the radiation emitted from the bodies.

It may be the radio - frequency electromagnetic radiation emitted from phones that damages DNA and impairs sperm's ability to fertilize an egg.

There are several types of radiation emitted from many computers, especially laptops, and they come with different risks.

Red colors are related to thermal radiation emitted from the very hottest areas of dust.

The hole was initially detected by a NASA program studying the spread of radiation emitted from the Big Bang, which scientists believe spawned our universe.

This image, taken from a NASA plane with a Thermal Infrared Multispectral Scanner, shows the amount of thermal radiation emitted from the ground, which relates in turn to the chemical composition of the rocks.

Satellites collect data from the radiation emitted from the Big Bang, which is called the Cosmic Microwave Background, or CMB.

That's because the radiation emitted from the central star heats the gases circling a gas giant's center and, over time, scatters them away from the nascent planet, the scientists say.

In the icy bodies around our solar system, radiation emitted from rocky cores could break up water molecules and support hydrogen - eating microbes.

When the public began to question the safety of nuclear testing and of radiation emitted from televisions, the government took notice.

Enormous clouds of these tiny grains scatter and absorb some of the radiation emitted from the stars — especially visible light — limiting what can be seen by telescopes here on Earth.

He realised that the frequency distribution of the radiation emitted from a hot body is a very fundamental feature of nature.

Not exact matches

Water with a little bit of tritium in it is often released from nuclear reactors, notes Gizmodo, and tritium in general (which emits a relatively weak form of radiation) is not dangerous unless it's ingested.

At a conference, another astronomer asked him if the center could archive a terabyte of data that had been collected from the MACHO sky survey, a project designed to study mysterious cosmic bodies that emit very little light or other radiation.

The X radiation from both galaxies appears to be from 10 to 100 times stronger than the energy they emit in the form of light and radio waves.

The researchers» interpretation is that the jet is «serpentine and inhomogeneous» because it emits radiation over a range of frequencies and from different zones, which change their orientation due to the instabilities in the jet, or to orbital motions.

The Sun is close to being a «black body» — that is, the light it emits is very much like that from a hypothetical black surface that absorbs all the radiation falling on it.

From this, the team has identified approximately five thousand galaxies that match their criteria, i.e. very compact galaxies emitting very intense UV radiation.

The sentence marked with an asterisk was changed from «In fact, fly ash — a by - product from burning coal for power — and other coal waste contains up to 100 times more radiation than nuclear waste» to «In fact, the fly ash emitted by a power plant — a by - product from burning coal for electricity — carries into the surrounding environment 100 times more radiation than a nuclear power plant producing the same amount of energy.»

And, aside from using high voltage and emitting low - level radiation, the machine has been deemed harmless.

The nebula contains a pulsar in its centre which rotates thirty times per second, emitting pulses of radiation from gamma rays to radio waves.

Niels Bohr had shown in 1913 that an atom's electrons occupy different energy levels, and that falling from a high energy level to a lower one emits radiation.

Hawking radiation, the result of attempts to combine quantum theory with general relativity, comprises these escaping particles, but physicists have yet to detect it being emitted from an astrophysical black hole.

By taking the change in the black hole's spin, and her half of the Hawking radiation that is emitted after she drops the qubit, Alice can use the rules of quantum teleportation to work out the spin of the qubit she dropped into the black hole — and hence retrieve information from beyond the black hole's event horizon.

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

Within the X-ray glow, Reeves and his colleagues discerned radiation emitted at energy levels associated with several specific elements, including magnesium, silicon, sulfur, argon, and calcium — a mix of ingredients similar to that cast out from a supernova explosion.