A torchiere of three lights
emits light with class and elegance.
By correlating the local effects of
this emitted light with the position of the electron beam, spatial images of these effects can be reconstructed with nanometer - scale resolution.
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.
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 applicati
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 applicati
with architects, electrical engineers and
lighting designers to develop specification
light -
emitting diode, or LED,
lighting for commercial, institutional and urban applications.
Apple released the iPhone X last year
with a variety of new components, including an organic
light -
emitting diode (OLED) screen and a face scanner the company calls Face ID.
The Pixel 2 sports a 5 - inch screen
with a crisp, organic
light emitting diode display, or OLED.
Universal Display works
with a technology called OLED, or Organic
Light Emitting Diodes (or Device).
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.
LED (
light emitting diode) lamps for automotive applications seem to be taking off like a wildfire lately
with even some of the least expensive econo - boxes sporting this high - tech...
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.
It uses pulsed
light -
emitting diodes (LEDs)
with multiple infrared (IR) wave lengths, and combines specially - designed full red, green, blue (RGB) cameras to deliver stable detection.
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.
The results are consistent
with those from the cosmic microwave background —
light emitted billions of years earlier.
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.
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.
A new report finds that replacing old lightbulbs
with light -
emitting diodes offers more energy savings than installing photovoltaics
This diffuser is perfect for long days, as it
emits a calming
light and mist that can help remind you to take a deep breath and continue
with the day.
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.
These include more sensitive mass spectrometry for detecting, identifying and quantifying protein molecules, electron microscopy for visualizing an assortment of components of the nano - machine that transports toxins, and fluorescence confocal microscopy, which can label proteins
with light emitting dyes.
After catching the jellyfish
with pool - skimming nets, he and a group of other scientists would pin them down
with a fork and spin them across a razor's edge to slice off the
light -
emitting photo - organs, which would fall into a bucket in a translucent linguini heap.
Engineers wanted blue and true green because
with those colors, along
with the red they already had, they could build fabulous things, such as a a white -
light -
emitting device as much as 12 times more efficient and 12 times longer - lasting than an ordinary lightbulb.
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.
Ideally, the electron gains so much energy in the laser field that upon impact
with the atom, a much shorter flash of
light with very high energy is
emitted — an attosecond laser pulse,
with a frequency in the ultraviolet - or x-ray regime.
Here, the optical threads have particularly few cross points
with the traditional thread and are bent in an ideal way so the
light is
emitted uniformly over the skin.
Depending on exactly how gravity behaves on such small scales, it is possible that a singularity would shine
with its own
light, or
emit gravitational waves.
* The faint
light emitted can be captured by a mobile - phone camera, making it easy to share
with clinicians — no complex lab equipment required.
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.
Mixed in
with the gas are dark clumps of dust that absorb rather than
emit light, creating weaving lanes and dark shapes across the nebula.
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).
Lee and his team considered the simplest plasmonic laser: a ring of a
light -
emitting semiconductor coated
with a thin silver layer.
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.
That is exactly the shape and size in which the silver cluster
emits the largest amount of fluorescent
light,
with an efficiency close to 100 %.»
Surround it
with light -
emitting diodes attached to a microprocessor and, in northern climes at least, some kind of heater.
The grains are
light enough to be set spinning by collisions
with photons and fast - moving atoms, and because some are charged this would cause them to
emit microwave radiation.
Alternatively, also experiments have been performed
with objects that can
emit light by themselves.
Collapsing out of dense pockets of hydrogen gas early in the universe's history, the first stars flickered on,
emitting ultraviolet
light that interacted
with the surrounding hydrogen.
Auroras
emit light in colors across the visible spectrum, but just a few dominate,
with green being the most common color.
Detecting fluorescence from chlorophyll requires that the pigment be illuminated
with light that that excites molecules in the chlorophyll, causing them to
emit light.
A City College of New York led - team has successfully demonstrated how to both enhance
light emission and capture
light from metamaterials embedded
with light emitting nanocrystals.
By covering these roofs
with large, flat arrays of cylindrical thin - film solar cells (think massive installations of fluorescent tubes, only absorbing
light rather than
emitting it), Fremont, Calif. — based Solyndra, Inc., hopes to harness that energy.
A pulse of visible
light just 380 attoseconds long served as a flashbulb to probe how electrons
emit photons when struck
with light
By assessing the survival of the cells that engulf the particles and measuring the levels of red or green
light that they
emitted, the researchers determined which formulation of particles performed best, then tested that formulation in mice
with human brain cancer derived from their patients.
To construct the solar cell, the semiconductor molecules are deposited as thin films on glass
with the same production methods used by organic
light -
emitting diode manufacturers.
NASA's Wide - field Infrared Survey Explorer (WISE), slated for launch no earlier than 6:09 A.M. Pacific Standard Time on December 11, is charged
with mapping the sky in the mid-infrared to create an atlas of objects whose
emitted light is invisible to human eyes and largely absorbed by Earth's atmosphere.
Labeling biomolecules
with light -
emitting nanoparticles is a powerful technique for observing cell movement and signaling under realistic, in vivo conditions.
Because the
light leaking out of the waveguide is all in synch, the waveguide might be bent to form an antenna that
emits light wave
with sculpted phase fronts, he says.
«Furthermore, experiment suggests that the
light emitted by a bubble has a weak directional asymmetry, which would be incompatible
with perfect sphericity.
Unfortunately, the best
light -
emitting semiconductors, such as gallium arsenide (GaAs), are hard to integrate
with the silicon of which chips are made.
In fact it's positively chilly,
with more than half the energy
emitted by normal matter coming from clouds of gas and dust too cold to radiate visible
light — and which therefore can not be seen
with traditional telescopes.
These particles can interact
with water,
emitting a shudder of
light, albeit under such rare circumstances that just a few of them strike each square mile of ocean each year.