Sentences with phrase «few kelvin»

However, when the temperature of source body for the radiation being absorbed is within a few Kelvin of the emitting body then to a quite accurate assumption, absorptivity = emissivity.
«Previous work on topological insulators revealed superconductivity at only a few Kelvin with a gap of about one milli - electron volt,» Fedorov says.
The plan calls for using four pairs of «test masses» made of at least three different materials — such as beryllium, niobium and platinum - iridium — which would be kept in a vacuum and cooled to just a few kelvins, reducing temperature fluctuations that can degrade measurement accuracy.
It's just a few kelvins, not a few degrees kelvin.
Their gate, described in this week's Nature, consisted of two side - by - side loops of aluminum cooled to a few kelvins (nearly -459 degrees Fahrenheit).
It IS true that THERMAL microwaves would come from objects at a few Kelvins and that they could not warm an object above that same temperature.

Not exact matches

Here's a list of a few who might be considered «great minds» you may have heard of who were believers: Isaac Newton Robert Boyle Michael Faraday Gregor Mendel William Thomson Kelvin George Gabriel Stokes James Clerk Maxwell Max Planck Albert Einstein
Only a few voting areas came out with a majority for a yes vote, including Cambridge, Glasgow Kelvin, and the London boroughs of Camden, Haringey, Islington, Lambeth and Southwark.
(By contrast, conventional rockets run at temperatures of a few thousand kelvins.)
Cornell and Wieman were trying to cool a puff of rubidium gas to within a few billionths of a degree of absolute zero — colder than any place in nature, even the 2.73 kelvins of space.
Until now, complexes exhibiting multiple bonds between thorium and arsenic were limited to spectroscopic experiments carried out at temperatures close to that of interstellar space (3 - 10 Kelvin) where only a few molecules were made at a time.
In their experiment, the researchers quickly cooled the individual H2O@C60 samples from 50 Kelvin (minus 223 degrees Celsius) to 5 K (minus 268 degrees Celsius) and then monitored their NMR (Nuclear Magnetic Resonance) signal every few minutes over several days.
Unlike superconducting metal alloys, which must remain within a few degrees of absolute zero in order to display their resistance - free electron flow, high - Tc superconductors can operate at temperatures around 77 kelvins.
In this two - dimensional molecule lattice, the researchers could demonstrate magnetic order at low temperatures of just a few degrees Kelvin.
In their study, the ICFO team cooled down a cloud of atoms to a few micro-degrees Kelvin, applied a magnetic field to produce spin motion as in MRI, and illuminated the cloud with a laser to measure the orientation of the atomic spins.
Planck has been looking for variations in the temperature of the CMB, which emerged at around 3000 kelvin, but by now has cooled to just a few degrees above absolute zero, on average.
In addition, stars with surface temperatures of 3,300 kelvins or lower (red dwarfs of spectral type M2.5 such as Gliese 581, or redder) would emit so fewer photons towards the bluish wavelengths compared to Sol that the sky would appear whitish down to reddish to Human eyes (more from Earth Science Picture of the Day).
As the internal temperature rises to a few million kelvins, deuterium (heavy hydrogen) is first destroyed.
In lower - mass stars like the Sun, however, there is insufficient mass to squeeze the core to the temperatures needed for this chain of fusion processes to proceed, and eventually the outermost layers extend so far from the source of nuclear burning that they cool to a few thousand kelvins.
The average temperature of asteroids (about 150 — 200 kelvin)-LSB--100 °F to -190 °F] at this distance from the Sun should cause surface ice to sublimate away in a matter of a few years or less, which is inconsistent with the billions of years that Themis is thought to have spent at its current location.»
But with all the tips out there on how to pay down debt quickly, few people have gone to the lengths that Aja McClanahan and her husband, Kelvin, have.
My wild guess is the entire earth at, say, 10 degrees Kelvin in a couple of billion years or so; the surface and atmosphere at, say, 100 - 150 degrees K in, say, a few million years, maybe less.
Sreve Sadlov... pretty much... it's called a kelvin wave, we're in the tail end of one right now... that along with the end of the warm sst's in the east (south of nino 1 + 2) are going to cause some nice cooling in the nino regions in the next few weeks.
But a few hours or weeks or centuries later» Yes of course all energy will ultimately end up as thermal energy as predicted in Kelvins heat death of the universe.
In a few centuries the whole system (including oceans) would arrive at about zero Kelvin.
Don't forget to include in the model that the steam engine should be surrounded by cold, wet air at -18 C, and it must be suspended in a pitch black vacuum at 3 Kelvin, one of the few observed infinitys, maybe the only observed and confirmed infinites.
The manual controls of the mostly familiar app have been given a few more options, such as being able to change the Kelvin reading in the white balance slider, which isn't available with the Galaxy S6 camera.
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