Sentences with phrase «emit light in»

That is, the limitation of the headlight power to emit light in a longer distance is a major problem to the visibility in driving at night.
CO2 and H2O absorb and emit light in a narrow band of the spectrum corresponding to the current mean temp of Earth.
Unlike LEDs, which emit their light in the form of points, OLEDs light up over their full surface with a homogeneous effect.
And OLEDs emit light in all directions.
Black phosphorus can absorb and emit light in the visible through infrared spectrum, which is useful for sensors, communications and other applications.
«It will reveal the first objects to emit light in the universe, explore the mysteries of dark energy and dark matter, and identify potentially habitable planets in the Earth's galactic neighborhood.»
They result from the interaction between Earth's magnetic field, or magnetosphere, and energized particles from the solar wind that emit light in the upper atmosphere.
Auroras emit light in colors across the visible spectrum, but just a few dominate, with green being the most common color.
They are crystalline powders that absorb energy from blue or near - UV light and emit light in the visible spectrum.
Now that Winget has performed more than 30 simulations, astronomers can start using his measurements of how hydrogen plasmas absorb and emit light in the lab to make sense of actual white dwarfs.
With this technology, researchers can be selective about which neurons they engineer to be responsive, and an optical implant can emit light in a variety of patterns, allowing more precise control over neural circuits.
«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.
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.
Plasma at these temperatures emits light in hard X-rays, which are notoriously difficult to detect.
Their centerpiece is a DFB (distributed feedback) laser that emits light in an extremely narrow wavelength or frequency region.
In its bulk (non-nanoscale) form, gallium nitride emits light in the blue or ultraviolet range.

Not exact matches

The screen is also the first from Apple to use organic light - emitting diode (OLED), instead of the liquid - crystal display that Apple has used in all other iPhones, including the iPhone 8.
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.
A study released in November of 12 participants who spent two weeks in a Boston sleep - research lab discovered that using light - emitting e-reader devices can have negative effects on sleep quality.
While TV purists take solace in the emergence of organic light - emitting diode (OLED) TV displays, plasma takes its place among Betamax, HD - DVD, Sega and other arguably superior formats that eventually lost out to consumer demands for convenience and a low price.
With more than 225 employees in three countries, Lumenpulse works with architects, electrical engineers and lighting designers to develop specification light - emitting diode, or LED, lighting for commercial, institutional and urban applications.
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.»
That screen will also likely use organic light - emitting diode (OLED) technology, rather than the liquid crystal screens Apple has used in all previous iPhones.
The world's largest smartphone maker is creating two models using organic light - emitting diode (OLED) screens for 2017 in modest quantities to test market reaction, the Korean tech site ET News reported on Thursday citing anonymous sources.
Scientists note that «the use of light - emitting devices immediately before bedtime is a concern because of the extremely powerful effect that light has on the body's natural sleep / wake pattern and how that may play a role in perpetuating sleep deficiency.»
Its wavelengths are shorter than any other color in the visible light spectrum, emitting higher energy levels than any other color your eyes can perceive.
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.
Excelitas makes products such as light - emitting diodes (LEDs) and flash lamps which are used in applications ranging from medical lighting to aerospace and defense equipment.
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).
Hansen's assessment is simple: we need, as a planet, to be emitting less carbon dioxide inside of ten years — an enormous task given that China and India are finally beginning to use power in appreciable quantities (and not for luxuries but for the second light bulb or first refrigerator in a house).
When ATP comes into contact with the liquid - stable luciferase / luciferin reagent in the SystemSure's testing swap, light is emitted in direct proportion to the amount of ATP present.
In our circuit we use a component called a Light Emitting Diode (LED).
This walker includes toys that emit sounds and lights, and as they are so colorful and entertaining, you may rest assured that your child is going to have great fun while sitting in it.
Battery operated toys, lights that flash, sounds that are emitted when buttons are pressed, real engine noises - you name it - have all been created and sold in a bid to make little ones happy.
In addition to talk - back features, this monitor allows you to play a lullaby or emit a soft glow via the night light option in order to help your baby fall asleep comfortablIn addition to talk - back features, this monitor allows you to play a lullaby or emit a soft glow via the night light option in order to help your baby fall asleep comfortablin order to help your baby fall asleep comfortably.
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.
In recent months, state agencies have been approving millions of dollars in grants and loans for tech parks outside of Utica and Buffalo to help them attract manufacturers from the semiconductor industry, which covers everything from computer chips to solar panels and light emitting diodeIn recent months, state agencies have been approving millions of dollars in grants and loans for tech parks outside of Utica and Buffalo to help them attract manufacturers from the semiconductor industry, which covers everything from computer chips to solar panels and light emitting diodein grants and loans for tech parks outside of Utica and Buffalo to help them attract manufacturers from the semiconductor industry, which covers everything from computer chips to solar panels and light emitting diodes.
When the atom drops from the higher to the lower energy state, it emits a photon, or light particle, in the form of a radio wave 21 centimeters long.
First theorized in the 1930s, dark matter does not emit any light, betraying its existence solely through gravity.
Infrared light is a good probe of the magnetic field because stronger magnetic fields change the way light is emitted in that range.
These bioluminescent dinoflagellates emit beautiful blue light at night when swirled in the dark.
The two neutron stars converged in the galaxy NGC 4993, 130 million light - years from Earth, emitting gravitational waves in the process (SN: 11/11/17, p. 6).
This makes the gas emit light over a range of wavelengths, including the visible, and depending on the atoms which make it up, we see different colours in the nebula.
In addition to emitting visible light, the stars also gave off ultraviolet (UV) radiation, which split the neutral hydrogen it encountered into electrons and protons — ionizing it once again, and thereby launching what researchers call the «epoch of reionization.»
When driven with electrical current, electrons and positively charged holes become confined in the dots and recombine to emit light — a property that can be exploited to make lasers.
Factoring in all the ordinary matter we can not see — contained in exoplanets, galactic gas clouds, and black holes, none of which emit light — still isn't enough to make up the difference.
These fluctuations correspond neatly to the 11 - year solar cycle, in which the Sun's rotation gradually winds up its magnetic field into contorted coils, giving rise to flares and sunspots that emit ultraviolet and X-ray light.
The hydrogen atoms fuse together into heavier and heavier elements and in the fusion process the star emits radiation in the form of light, that is, energy.
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