Sentences with phrase «which infrared light»

A few other groups are investigating network concepts in which infrared light rays are directed using movable mirrors.
The phenomenon, in which infrared light sets molecules in vibration, is pivotal in this search.

Not exact matches

The tiny sensors, which consist of infrared light - emitting diodes (LEDs) coupled with a sensitive light detector, measure infinitesimal gradations in light in human tissue, due to changing blood volume in the microvasculature as blood circulates through the body — a process that follows in rhythm with the beating of the heart.
Another cool thing about this camera is that it has a filter that blocks UV and infrared light, which can really change the quality of an image.
But the picture is dominated by the galaxy's core, which in infrared outshines the rest of the galaxy's light combined.
This body cam also features an infrared function, which turns on automatically when the lights go out so you can focus on what you have to do and know that the camera has your back.
The activity produces enough light to warm up most of the galaxy's dust — which gives the whole galaxy an infrared glow that we can detect from more than 12.5 billion light - years away.
Now scientists have identified four stars that appear to belong to the galaxy by examining infrared light, which can cut through dust.
Aside from getting away from weather intrusions, the flying telescope will soar above much of Earth's water vapor, which absorbs a lot of infrared light.
The Venus Express spacecraft, which orbited Venus from 2006 until earlier this year, detected flashes of infrared light coming from the planet's surface.
Inside the greenhouse the visible light is absorbed by the plants and soil and is converted into heat, which is then emitted by the plants and soil in form of infrared radiation.
The WFIRST instrument will capture infrared light, which has a longer wavelength than optical light invisible to the human eye.
More than 40 telescopes in the northern hemisphere took thousands of observations in the visible, radio, and near infrared ranges, which enabled the production of detailed light curves.
Only the light in the visible spectrum can penetrate into the greenhouse whereas incoming infrared light, which is also known as heat radiation, is blocked by the glass or plastic.
Instead of sending sunlight directly to the solar cell, thermophotovoltaic systems have an intermediate component that consists of two parts: an absorber that heats up when exposed to sunlight, and an emitter that converts the heat to infrared light, which is then beamed to the solar cell.
Petitto's machine, made by Hitachi, uses weak infrared light from a laser diode, which shines through the skull and then about an inch farther into the brain.
The instrument is sensitive to near - infrared light, the wavelengths at which the emissions of extremely distant galaxies — stretched by the expansion of space — shine most brightly.
They use a near - infrared laser beam, which can penetrate deep — in this context, deep means a centimeter or two — into the tissue, where a nanoparticle turns the near - infrared light into blue light, and that directs the activity of genetically engineered immune cells.
Sean D. Brittain and Terrence W. Rettig of the University of Notre Dame used the NASA Infrared Telescope to study the star HD141569, which is located 320 light years from Earth.
The visible and infrared mapping spectrometer is examining how various wavelengths of light are reflected by Ceres, which will help identify minerals present on its surface.
With a light - field synthesizer, a device which can manipulate the properties of visible light and nearby infrared and ultraviolet frequencies, the scientists were able to compose visible light pulses as short as 380 attoseconds.
At each of the facilities, a laser shoots a 35 - watt infrared beam through a Faraday isolator, which directs and polarizes the light.
The Lynx A uses a standard color camera lens combined with an infrared - light projector, which lays a pattern over whatever it is looking at.
«This allows our new material to absorb visible and even near infrared light, which we could never achieve with LTO alone.»
The properties of water are altered by near - infrared light, which could drive the energy - producing mitochondria in our cells to work harder and heal us faster
Using data gathered by an infrared camera during a survey of such stars, astronomers have found that the brightness of a brown dwarf — dubbed 2MASS 2139, which lies about 47 light - years from Earth — varied as much as 30 % in less than 8 hours.
The system conceived at TU Eindhoven uses infrared light with wavelengths of 1500 nanometers and higher; this light has frequencies that are thousands of times higher, some 200 terahertz, which makes the data capacity of the light rays much larger.
By observing infrared light, which is less affected by cosmic dust than visible light, and exploiting the excellent conditions at ESO's Paranal Observatory, the team was able to get a clearer view of this region than ever before.
To test this, the team studied the strategy of the nocturnal European catfish as it stalked swimming guppies in a test aquarium illuminated only by infrared light, in which catfish can not see.
Natural chromophores have a maximum absorption of around 560 nanometres, but one of the team's 11 modified chromophores was able to absorb red light with a wavelength of around 644 nm — tantalisingly close to infrared, which starts at about 750 nm (Science, doi.org/jxn).
The tandem device — which includes a cell composed of a new infrared - sensitive polymer developed by UCLA researchers — absorbs up to 80 percent of infrared light plus a small amount of visible light.
Webb's large mirror and optimization for infrared light, which is most favorable for planet — star contrasts, make it a formidable albeit imperfect tool for the task.
For this research brain activity is also being recorded using a technique called functional near infrared spectroscopy (fNIRS), which uses light to measure changes in blood concentration in the prefrontal cortex, it is a non-invasive and highly portable technique meaning it can be easily interchanged between car and simulator.
Unlike its famous predecessor the Hubble Space Telescope, which mostly was set up to gather visible and ultraviolet light, Webb is optimized to view the cosmos in infrared.
Because of the unusual way the material interacts with infrared light, the finding, which appears October 21 in Physical Review X, could lead to camouflage against heat - sensing cameras and to efficient heating and cooling devices.
Unlike Hubble, which mostly views the universe in visible light, Webb will observe in infrared, with wavelengths too long for human eyes to detect.
The first stars emitted mainly optical and ultraviolet light, which today is stretched into the infrared by the expansion of space, so they should not contribute significantly to the CXB.
Near - infrared light, which is likely to go through the body, was projected through the skull and the absorbed or scattered light was measured.
Researchers used NASA's infrared Spitzer Space Telescope, which measures the heat emitted from distant objects, to study a massive extrasolar planet that lies 40 light - years from Earth.
In February and March of 2012, Condon and his colleagues studied a region of sky that previously had been observed by the original, pre-upgrade, VLA, and by the Spitzer space telescope, which observes infrared light.
The researchers can employ different types rare - earth elements, which glow under slightly different colors of shortwave infrared light, to create a family of probes that are sensitive to a variety of cancers.
Using their computer models as a guide, the researchers found a variant of polyethylene commonly used in battery making that has a specific nanostructure that is opaque to visible light yet is transparent to infrared radiation, which could let body heat escape.
The devices currently run on ultraviolet light — but the researchers are now working on micro swimmers that respond to a near - infrared wavelength, which can penetrate a few centimeters of tissue.
They then shone near - infrared light on the tissue, which is just beyond the red colours that our eyes can normally see, and used a special camera to detect the near - infrared light the dye gave out.
Y dwarfs are too faint to be detected by visible - light telescopes, but NASA's Wide - field Infrared Survey Explorer (WISE) satellite, which can sense infrared heat, picked them upInfrared Survey Explorer (WISE) satellite, which can sense infrared heat, picked them upinfrared heat, picked them up easily.
«Forty to 60 percent of our body heat is dissipated as infrared radiation when we are sitting in an office,» said Shanhui Fan, co-author of the study and a professor of electrical engineering who specializes in photonics, which is the study of visible and invisible light.
The researchers, led by Giovanna Tinetti based at the Institut d'Astrophysique in Paris, France, say their new analysis is more reliable because the observations were taken in infrared light, which is far better at detecting light - absorption patterns unique to water.
NIRSIT is a device based on the near - infrared spectroscopy principle, which (a) utilizes light to detect hemodynamic changes in the cerebral blood flow and (b) visualizes brain activation regions in the prefrontal area of the brain in real time.
Shadows, which shorten over the course of the tropical dry season, produce an optical illusion: Leaves reflect more light in the infrared spectrum, even as their actual greenness declines.
To determine just how far away they are, researchers will combine the information from the Hubble images with observations taken by NASA's Spitzer and Chandra space telescopes, which see in infrared and x-ray light, respectively.
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