Sentences with phrase «not emit light»

They do not emit light, which in my opinion is a real waste of potential, especially given Razer's expertise in RGB lighting.
But I am not saying candle does not emit light [visible and near - IR].
The distinction is that these sculptures are not wired for electricity and, thus, do not emit light.
Because they do not emit light or use a flash, they can take pictures day or night without disturbing the animals.
The Kindle e-reader model they included does not emit light - like a paper book, it reflects ambient light.
Many people who are serious and voracious readers often turn to e-readers because they do not emit light that causes these sorts of problems.
The drawback is that most traditional e-ink readers need a direct lightning source because they do not emit light.
It does not emit light from behind the screen, so it is easier on the eyes for longer reading sessions.
The LCD display can not emit light itself and must rely on a separate backlighting panel, whereas the AMOLED design uses self - emitting diodes and controllable pixels for a much faster reaction speed and no residential lighting effects.
«While black holes themselves do not emit light, the gaseous material they chew on is heated to extreme temperatures, making them the most luminous objects in the universe.»
Since these filaments do not emit any light of their own, the astronomers studied their structure and composition by analyzing light from distant quasars as it passed through the cosmic web.
The result indicates that the most of the matter in a galaxy cluster is not in the visible galaxies, does not emit light, and is thus called «dark matter».
The blue colour of this nebula is typical of a reflection nebula - the gas and dust in the nebula do not emit any light, instead it is merely reflecting light from stars within the nebula.
While the LIGO black hole discovery marked an important milestone, black hole mergers do not emit light and are therefore invisible to telescopes.
The name arises from the fact that it can not emit light and thus appears black, and it traps all that falls into it, like a hole in space.
Because dark excitons can not emit light, they can't relax to a lower energy level.
But one problem is that dark excitons do not emit light, making it hard to determine their spins and use them for quantum information processing.
Colliding black holes do not emit light; however, they do release a phenomenal amount of energy as gravitational waves.
Dark matter has never been seen or measured directly because it does not emit light.
«We're talking about two objects that do not emit light — they're completely dark,» says Janna Levin, a theorist at Barnard College at Columbia University who is outside the LIGO collaboration.
Whatever the stuff was, it did not emit light, but it did exert a gravitational pull.
First theorized in the 1930s, dark matter does not emit any light, betraying its existence solely through gravity.
Some researchers suggested the dark halo consisted of ordinary material that simply didn't emit light.
«This surprising finding may be an important clue to understanding those mysterious parts of the universe that make up 95 percent of everything and don't emit light, such as dark energy, dark matter, and dark radiation,» said study leader and Nobel Laureate Adam Riess of the Space Telescope Science Institute and The Johns Hopkins University, both in Baltimore, Maryland.
Light can also be scattered: The surface electrons can grab the photon's energy and then eject a photon of the same wavelength, which is how you see pretty much everything that doesn't emit light on its own.
Therefore, they are not emitting light from infalling matter and are no longer quasars.
It doesn't emit light (which is why it's literally dark).
The original Kindle readers that don't emit light are safe and similar to reading an old - fashioned book.
And since the screen isn't emitting light, there's no eye - strain.
At CES, Skiff President Gilbert Fuchsberg described some advantages of e-readers over color tablets, noting that e-ink displays can be read for hours at a time because they don't emit light that bombards a reader's eyes the way a color LCD display with LED backlighting (as used in the iPad) does.

Not exact matches

Miller said he doesn't know specifically how the hospital staff used his ultraviolet light - emitting robots to prevent the spread of the virus while Duncan was undergoing treatment.
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.
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).
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.
According to Mercola.com, the blue light emitted from your device, computer, or television tricks your brain into thinking it's still daylight, so it doesn't begin melatonin production until it's dark.
Find one that emits enough light for you to navigate the room but not so much that it keeps your baby awake.
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.
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.
An additional advantage is that LEDs don't emit ultraviolet light, so they don't attract bugs.
Despite their blazing appearance, they don't emit much heat and they're usually less bright than a 100 - watt light bulb.
Most light - emitting proteins found in nature do not work alone.
For starters, the bandage's not - so - secret key ingredient is phosphors — molecules that absorb light and then emit it via a process known as phosphorescence.
He recognized that commercially available MOCVD machines could not grow indium gallium nitride films good enough to emit light brightly, so he set about modifying his setup.
Most of the material in the universe is something called dark matter, mysterious stuff that doesn't emit or reflect light and doesn't interact with what we think of as ordinary matter.
New theoretical models show that hydrogen in white dwarfs should emit blue light, not red as astronomers once thought.
And that means the material challenge posed by rare earths won't be solved anytime soon, particularly as more wind farms cover the land, compact fluorescent lightbulbs and light - emitting diodes proliferate, and greater numbers of hybrid or electric vehicles hit the road.
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).
Standard lasers are actually not useful for secure communication because they emit what is called «classical» light.
Another disadvantage is the high levels of radiant heat energy produced by high - pressure sodium lamps; up to 75 % of the energy from HPS lamps that is not converted to light is emitted as radiant heat energy, causing the surface of the lamps to reach temperatures as high as 450 °C.
Astronomers believe dark matter makes up a quarter of the universe, yet it does not absorb or emit light, and nobody has detected a particle of it.
a b c d e f g h i j k l m n o p q r s t u v w x y z