Sentences with phrase «emitting light at»

However, when a coal fire gets hot enough, it also starts emitting light at higher frequencies, i.e., in the visible region.

They focused a continuous - wave laser emitting light at 488 - nanometer wavelength — visible - wavelength light that is potentially safe for cells — through an optical fiber small enough to fit in a syringe.

The space telescope is specially designed to observe cold objects emitting light at long wavelengths — objects like brown dwarfs.

This experiment will test whether the corona emits light at the predicted wavelengths and, if so, how brightly.

Although they emit light at similar wavelengths, Youvan says that wild - type and mutant GFPs can be differentiated by the colour of the light needed to make them fluoresce.

If this happened on an alien world, the uniformly sized nanodust would absorb or emit light at a specific wavelength, showing up as an odd signature in the planet's reflected light.

When SiR switches «on», it emits light at far - red wavelengths.

A second report in the current issue of the journal Science describes a 3 - D photonic crystal, which emits light at optical communications wavelengths, manufactured using a different approach.

In another experiment, he measured the frequency of an optical transition in cesium atoms (a change in their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW lasers.

Various elements emit light at specific EUV and X-ray wavelengths depending on their temperature, so by observing in several different wavelengths, a picture of the complete temperature structure of the corona can be made.

But in the video, the filaments and fin rays also appear to emit light at their tips and at intervals along their length — something that's never been seen before.

The composite material could be used to build lasers that emit light at any frequency, or to make flat - screen display panels.

Because of quantum effects, they absorb and emit light at specific wavelengths.

The modified Met emits light at a wavelength of 535 nanometers when it recruits the modified SRC.

It sees the crops raised here on Earth inside a glasshouse, under continuous low - cost LEDs that emit light at specific wavelengths to boost photosynthesis.

The fluor then emits light at a tissue - penetrating wavelength above 600 nm.

It's a pulsed - dye laser that emits light at a wavelength absorbed by red blood cells, heating up and destroying the blood vessels.

To produce white light, these electronic devices must emit light at short wavelengths, which makes them potential sources for suppressing or delaying the onset of melatonin in the evening, reducing sleep duration and disrupting sleep.

Our laser emits light at a specific wavelength that enhances the body's ability to heal itself.

Generally used in street lighting, mono - frequency lamps emit light at such a narrow frequency that colours other than yellow and black are invisible, thus transforming the visual field around the sun into a vast duotone landscape.

The Photosphere: This is the lower atmosphere of the Sun and the part that we see (since it emits light at visible wavelengths).

It combines an IR system with front camera and flood illuminator that emits a light at your face to recognize you even in the dark.

Not exact matches

Because our smartphone and computer screens emit blue light, when we stare at them before bed we are resetting our body's internal clock, making it more difficult to fall asleep.

The lenses support the eye's effort in focusing at ultra - near distances that are typical of handheld devices by filtering out «harmful blue - violet light emitted by digital screens.»

It flickers in your fluorescent and LED lights in your home, it is emitted from your digital television screen, you're exposing your eyes to it every time you check Facebook on your phone, and it's bombarding your eyes all day at work while you stare at your computer.

The iPhone X, Apple's first smartphone equipped with an organic light - emitting diode display, has failed to catch on globally — something many put down to its hefty price, which starts at $ 999 in the U.S.

Over a very long time, a white dwarf will cool to temperatures at which it will no longer emit significant heat or light, and it will become a cold «black dwarf».

Eagle also presented a light - emitting diode (LED) Marquee Display Unit (MDU) that can be installed on meat production lines upstream from the EAGLE ™ FA720 Series to transmit real - time CL data to operatives working at the trimming or packing stations.

Deuterium, helium, and lithium nuclei each absorb and emit light in a unique way, allowing scientists to point telescopes at I Zwicky 18 and determine the abundances of ancient nuclei very accurately.

These bioluminescent dinoflagellates emit beautiful blue light at night when swirled in the dark.

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.

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.

Instead, researchers want to look at the effect of magnetism on certain wavelengths of infrared light emitted by the corona.

Boesel's team determined the appropriate angle at which the threads must be bent during weaving so that the blue light stays in the therapeutic wavelength range of around 470 nanometers but is emitted onto the baby's skin, rather than staying in the fabric.

RED LIGHT Researchers used the red light emitted by phytoplankton to track how efficient the organisms are at photosynthLIGHT Researchers used the red light emitted by phytoplankton to track how efficient the organisms are at photosynthlight emitted by phytoplankton to track how efficient the organisms are at photosynthesis.

Strogatz explores dozens of strange synchronous phenomena, from hands clapping in unison to the rhythmic flashing of fireflies to laser beams produced by trillions of atoms emitting light waves in phase at the same frequency.

This will require painstakingly firing lasers of different frequencies at the trapped ions, watching for when they emit light.

It is also interesting that the light emitted at the ends is circularly polarized and evenly distributed over the cross-section of the rods.

This image shows in ultraviolet light the second - largest flare (bright flash at right), which was emitted on September 10.

This rack of light emitting diode (LED) lightbulbs on display at the CLTC shows how different designs and bulbs can create wide varieties of light.

In cooperation with Dr. Peter Schmidt of Philips Technologie GmbH in Aachen, a team of researchers led by Prof. Dr. Wolfgang Schnick, who holds the Chair of Inorganic Solid - State Chemistry at LMU Munich, has developed a new material for application in light - emitting diodes (LEDs).

It did not find a sudden decrease in the brightness of the light emitted by hydrogen at any point in that period, suggesting that re-ionisation did not occur suddenly (Nature, vol 468, p 796).

The size of the acoustic scale at 13.7996 billion years ago has been exquisitely determined from observations of the cosmic microwave background from the light emitted when the pressure waves became frozen.

In the case of Tycho's supernova remnant, astronomers have discovered that a reverse shock wave racing inward at Mach 1000 (1000 times the speed of sound) is heating the remnant and causing it to emit X-ray light.

Geologist John Michell wrote in a letter to the Royal Society that if a star were massive enough, «a body falling from an infinite height towards it would have acquired at its surface greater velocity than that of light... all light emitted from such a body would be made to return towards it by its own proper gravity».

Surround it with light - emitting diodes attached to a microprocessor and, in northern climes at least, some kind of heater.

And each gas emits a particular color as a result: Oxygen makes green light at common aurora altitudes, so that's what we see most often.

Professor Shangchao Lin, who led the research at Florida State University, said: «Our findings also show that the perovskite nanocrystals emit light extremely quickly and are very energy efficient.

Emitted in a distant galaxy when multicellular life was just beginning to populate Earth, the waves traveled at the speed of light for more than a billion years to at last wash over our planet last September, taking just seven milliseconds to traverse the distance between LIGO's twin listening stations in Louisiana and Washington State.

Researchers at Yale University have now grown a 2DEG system on gallium arsenide, a semiconductor that's efficient in absorbing and emitting light.