The flash itself is actually a second image of the sun, caused by refraction of its light through the layer of air closest to the sea.
The new microscope, called Multi-View SPIM (MuVi-SPIM) shines a thin sheet of light on the embryo, illuminating one layer of the embryo at a time to prevent light damage.
That light switch introduces a middle man, a layer of separation between the action and the thing you really want to work on, which is the light.
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Kindle Paperwhite's patented front-lit display guides light underneath an anti-glare layer and down toward the display, away from the reader's eyes.
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The all-carbon formula doesn't need to be thickly spread to do its work, and it simply lets visible light through -- it could layer on top of a traditional solar cell to catch many more of the sun's rays.
Although he offers some points of light -- putting an aerosol layer of fine particles into the stratosphere to reflect back sunlight may, he says, could buy us some time by slowing down the rate of decline for a decade -- his projections are on the whole brutally pessimistic.
But during the trial Astra brought in a drug-delivery expert from the University of Nottingham who analyzed Andrx's pellets under a microscope with infrared and ultraviolet light and concluded they contain a third layer after all, thus infringing Astra's patents.
This refraction eliminates both the red end of the spectrum (red light is not bent enough by the air layer to form part of the second image) and the blue frequencies (which are scattered away: this selective scattering is why the sky is blue).
The uppermost parts of its thick cloud layer mysteriously absorb half of the ultraviolet light received by the planet.
As a result there is very little scattering of light as it passes from the air into the layer of nanotubes.
C. and A.D. 500 by brushing away the dark top layer of barren desert to reveal the light, sandy soil underneath, wrote Clive Ruggles, an archaeologist from the University of Leicester in the United Kingdom, in an email.
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To ensure the building looked like an old brownstone from the outside, Mr. Peterson took a thin layer of real brownstone and attached it to light aluminum honeycomb.
Everything was covered with a thick layer of grime, from the old fashioned metal light fittings to door handles and banisters.
The hybrid disc works by making the Blu-ray layer act like a two way mirror, reflecting enough light for Blu-ray playback, but letting enough light through for HD DVD operation.
ENGADGET: Three's company: Warner patents all-in-one hybrid disc HD
Mongolian spots (technically named congenital dermal melanocytosis) are flat bluish-green, gray or light brown areas where cells called melanocytes have been trapped in a layer of the skin called the dermis.
Outside my hotel room window, a thin layer of clouds has stolen over the valley, diffusing the light and making it difficult to see where the sun really is.
This negative is illuminated from the front by an arc lamp, and the light from this lamp passes through the transparent regions of the liquid-crystal layer to the middle layer.
The probate court documents, reviewed by The Associated Press on Wednesday, shed no light on the circumstances of Khan's death, but they do add a layer of drama to an already baffling case.
While the ozone layer in the upper atmosphere plays an important role in limiting harmful ultraviolet light reaching the Earth's surface, low-level ozone is a pollutant that is harmful, causing respiratory problems in animals as well as well-documented cases in humans.
And those electrons drift up into a gas layer, and when they hit the gas and you get another flash of light.
BBC: Dark Matter: Experiment to shed light on dark particles
The eerie light probably came not from the substance itself, but from the boundary between it and the glass layer below.
Kindle Fire HD solves this air gap problem by laminating the touch sensor and the LCD together into a single layer of glass, creating a display that's easy to view even in overhead light, and reducing glare by 25% relative to iPad 3.
The goal was to substitute photoreceptors with a light-sensitive material capable of restoring photosensitivity to the retina, by easing down the retina on a layer of organic photovoltaic semiconductor.
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