Sentences with phrase «by emitting light»

The scanner uses a light sensor system that is able to read fingerprints by emitting light through the gaps between the OLED screen's pixels.

The excited state may subsequently decay by emitting light of the same wavelength in an arbitrary direction, or the excited molecule may relax some other way.

As we discussed earlier, all objects, including the Earth, can cool by emitting light.

While you might not realise it, all warm objects are constantly cooling down by emitting light, including us.

By emitting light only one photon at a time, one can then control the photons» quantum properties for storage, manipulation and transmission of information.

These molecules initially comprise just a small fraction of the gas, but they can absorb heat from the surrounding gas and get rid of it by emitting light, thereby cooling the cloud enough for stars to form.

Not exact matches

Blue light emitted by your iOS, Android or Windows 10 device can trick your brain into thinking it's daytime even when it's not.

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.»

Fujifilm Corporation and nano - electronics research institute imec have demonstrated full - color organic light - emitting diodes (OLED) by using their jointly - developed photoresist technology for organic semiconductors, a technology...

Anyone following tech stories from month to month will recognize LG Display as those tech people focused on «bendy» and «rollable» displays, bolstered by the company's aggressive attention toward novel organic light - emitting...

I believe that the sun is powered by the nuclear fusion of hydrogen in to helium, because the spectrum of the emitted light is exactly as predicted by theory and tested by experiment on earth.

The resulting theory, though founded on quite different principles and developed in an independent fashion from Einstein's theory, nevertheless gives predictions that are identical to the latter's, within observable limits, for each of the four classic tests of gravitational theories (i.e., precession of the perihelion of Mercury, redshift of light emitted by a massive body, the bending of light - beams in a strong gravitational field, and the apparent slowing of the speed of light propagation near massive bodies).

While not quite as efficient as HID lights, these fluorescents have better color rendering properties (more of the light emitted is used by the plant) and produce much less heat when compared to HID lights.

Babies will be mesmerized by the moon and stars that this table light emits.

-- especially the blue wavelengths of light emitted by many light bulbs and electronic screens — is particularly bad for sleep.

This humidifier uses ultra-violet light technology to kill bacteria, mold, fungus, and virus in the water which is then absorbed by the wicking filter before emitting an invisible mist.

New York City plans to replace its 250,000 street lights with light - emitting diode lamps by 2017 — a move the Bloomberg administration says could ultimately cut power and maintenance costs by $ 14 million a year.

It was not until the detection of quasars, which allow astronomers to see the light emitted by matter falling into black holes, that we had evidence that they were real objects and not just mathematical curiosities predicted by Einstein's general theory of relativity.

Trapped beneath Earth's ocean of air, ground - based observatories will be stymied by starlight - warping turbulence, and by airglow — faint light emitted by atmospheric chemical reactions that can corrupt delicate observations.

The SMC is full of dust, and the visible light emitted by its stars suffers significant extinction.

A Giant Galactic Ghost Intrigued by faint blurs on old photographic plates of the Virgo galaxy cluster, a nearby region teeming with galaxies, Oregon's Bothun and colleagues wondered if the apparitions might be smallish galaxies with «low surface brightness» — astronomer - speak for emitting less light per unit area than typical galaxies.

«What we can observe is the gas itself, because the molecules are excited by the heat from the stars and therefore emit light in the infrared and microwave range.

One of the reasons this made it as our pick for one of the top LED grow lights is because it has veg / bloom switches that adjust the light spectrum being produced by the LEDs, optimizing the emitted light to encourage plants to flower or fruit.

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

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.

By using two of the world - leading VLT spectroscopic instruments, MUSE and X-shooter, they could carry out a very detailed study of the properties of the emitted light to determine its source.

Kogut's team speculates it may be a curtain of light emitted by the earliest stars to form in the universe — so - called Population III stars.

Light from the galaxy is absorbed by the dust, emitted as infrared, and stretched to radio wavelengths as the universe expands.

Aequorin gives out blue light when it binds with calcium in seawater; this light is absorbed by GFP, which then emits an intense green glow.

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.

To glimpse the oldest light in the universe, simply tune an old television between channels: the tiny specs dancing on the screen result from the antenna being bombarded relentlessly by photons that were emitted shortly after the big bang, some 13.8 billion years ago.

Existing cathode ray and liquid crystal displays are likely to be replaced by a new generation of organic light emitting devices (OLED).

The first pair would be accelerated by the laser until it emitted light that spawned more pairs (arxiv.org/abs/1004.5398).

The colors in the ALMA data represent the relative Doppler shifting of the millimeter - wavelength light emitted by carbon monoxide gas.

Combining living tissues and technology, Jiawei Shao et al. created custom cells that produced insulin when illuminated by far - red light (the same wavelengths emitted by therapy bulbs and infrared saunas).

Light - colored sulfate aerosols are emitted mainly by dirty burning of coal.

When struck by a particle of light, the detectors emit a single electron.

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.

Trapped below Earth's ocean of air, even the largest ground - based observatories will be stymied by starlight - warping turbulence and by airglow, faint light emitted by atmospheric chemical reactions that can corrupt delicate observations.

Luminosity describes how much light is emitted by a source in all directions.

Astronomers studying distant galaxies powered by monster black holes have uncovered an unexpected link between two very different wavelengths of the light they emit, the mid-infrared and gamma rays.

Instead of relying on light waves emitted by electrons, it would use radiation emitted when the nucleus is excited to a high energy state, and then drops into a lower energy state.

* The faint light emitted can be captured by a mobile - phone camera, making it easy to share with clinicians — no complex lab equipment required.

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.

The «H» in HERA stands for hydrogen, and the instrument's antennas are tuned to detected a wavelength of light emitted by hydrogen atoms.

Since 2008, the cost of light emitting diodes (LEDs) has dropped by more than 85 %.

For example, it was predicted to absorb light in the near - UV and blue region and have high photoluminescence, which is the material's ability to emit light when excited by a higher energy light source.

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).

Astronomers expected them to be the tip of the stellar iceberg, their light overwhelming the faint glow emitted by vast numbers of more...

Although previous supernovas have been seen this early, the new observation is the earliest one with a spectrum — an accounting of the emitted light broken up by wavelength — taken six hours after the explosion, Yaron and colleagues report online February 13 in Nature Physics.