Hubble offered a rare, ring-side seat at the death of a star
During its impressive 25 years the Hubble Space Telescope has captured numerous remarkable views of the universe, providing astronomers with a wealth of data for making astounding discoveries. Of all...
View ArticleHubble catches a stellar exodus in action
Using NASA's Hubble Space Telescope, astronomers have captured for the first time snapshots of fledgling white dwarf stars beginning their slow-paced, 40-million-year migration from the crowded center...
View ArticleCan planets be rejuvenated around dead stars?
For a planet, this would be like a day at the spa. After years of growing old, a massive planet could, in theory, brighten up with a radiant, youthful glow. Rejuvenated planets, as they are nicknamed,...
View ArticleResearchers demonstrate the world's first white lasers
More luminous and energy efficient than LEDs, white lasers look to be the future in lighting and light-based wireless communication.
View ArticleNew technology can expand LED lighting, cutting energy use and greenhouse gas...
Highly efficient, light-emitting diodes (LEDs) could slash the world's electricity consumption. They are already sold in stores, but more widespread adoption of the technology has been hindered by high...
View ArticleStudy shows nesting under white lights causes increased hormone levels in...
(Phys.org)—A small team of researchers with members from The Netherlands Institute of Ecology, the Max Planck Institute for Ornithology and Wageningen University has found that wild great tits living...
View ArticleNew device improves full-color image projection
A team of researchers at Disney Research and Dartmouth College has developed a new way to display full-color images using only two black patterns printed on transparencies affixed to two sides of a prism.
View ArticleNew LED with luminescent proteins
Scientists from Germany and Spain have discovered a way to create a BioLED by packaging luminescent proteins in the form of rubber. This innovative device gives off a white light which is created by...
View ArticlePhysicists posit quantum gravity's rainbow
When white light is passed through a prism, the rainbow on the other side reveals a rich palette of colors. Theorists from the faculty of physics, University of Warsaw have shown that in models of the...
View ArticleWhy are flexible computer screens taking so long to develop?
It's common to first see exciting new technologies in science fiction, but less so in stories about wizards and dragons. Yet one of the most interesting bits of kit on display at this year's Consumer...
View ArticleImportant step in understanding of light scattering
A team of researchers from the University of Twente and from Philips in the Netherlands has succeeded in taking an important step in understanding how light is scattered, absorbed and re-emitted in...
View ArticleFirst discovery of a binary companion for a Type Ia supernovae
A team of astronomers including Harvard's Robert Kirshner and Peter Challis has detected a flash of light from the companion to an exploding star. This is the first time astronomers have witnessed the...
View ArticleAncient Egyptian pigment provides modern forensics with new coat of paint
It was during a trip to Indianapolis that Professor Simon Lewis, a forensic and analytical chemist, was approached by Gregory Smith from the Indianapolis Museum of Art (IMA) with an idea.
View ArticleResearchers break bandwidth record for data communication using laser-based...
(Phys.org)—Cell phones and Wi-Fi devices typically transmit data using radio waves, but as the demand for wireless data transfer increases, congestion in the radio spectrum is expected to become more...
View ArticleColor vision helps birds find good food and the right partner
The researchers have established that chickens - just like people - have colour constancy. For birds, this means that they, in different environments and under different lighting conditions, recognise...
View ArticleWhite lasers demonstrates data speeds of up to 2 Gbps
A nanocrystalline material that rapidly makes white light out of blue light has been developed by KAUST researchers.
View ArticleLowering the cost and environmental footprint of white LEDs
Replacing traditional light bulbs with light-emitting diodes (LEDs) could take a significant bite out of global energy consumption. But making white LEDs isn't completely benign or budget friendly. To...
View ArticleTracking technology shows some individual color-sensing cells in the eyes do...
(Phys.org)—A small team of researchers from the University of California and the University of Washington has found that not all of the color-sensing cells in the back of the eyeball actually help us...
View ArticleHubble views a colorful demise of a sun-like star
This image, taken by the NASA/ESA Hubble Space Telescope, shows the colorful "last hurrah" of a star like our sun. The star is ending its life by casting off its outer layers of gas, which formed a...
View ArticleFrequent flaring on TRAPPIST-1—unsuited for habitability?
Data from the K2 mission reveals strong stellar magnetism in the TRAPPIST-1 system that hosts three potentially habitable planets, suggesting that those planets could be a less friendly place for life.
View ArticleNew low-cost material for lighting and diagnostics produces white light...
Researchers at the University of Turku, Finland, have developed a synthetic material based on the natural hackmanite mineral, which produces broad spectrum white light in lamps. The low-cost...
View ArticleEngineers create brighter, full-color holograms that can be viewed with low...
Technology developed by a team of University of Utah electrical and computer engineers could make the holographic chess game R2-D2 and Chewbacca played in "Star Wars" a reality.
View ArticleTextured LED gives green light to Li-Fi
Standard light-emitting diodes (LEDs) used for home lighting can now transmit data more rapidly between electronic devices, thanks to new research from A*STAR.
View ArticleTracing the light inside an LED
The performance of white LEDs can be improved, based on better knowledge of the absorption and scattering of light inside the LED. A new method, developed by the University of Twente in The Netherlands...
View ArticleImage: Solar surface from hot to hottest
This sequence of images shows the Sun from its surface to its upper atmosphere all taken at about the same time on Oct. 27, 2017. The first shows the surface of the Sun in filtered white light; the...
View ArticleHubble spots expanding light echo around supernova
Light from a supernova explosion in the nearby starburst galaxy M82 is reverberating off a huge dust cloud in interstellar space.
View ArticleImage: Science from the moon's shadow
While total solar eclipses happen about once every 18 months somewhere on Earth, the Aug. 21, 2017, eclipse was rare in its long path over land. The total eclipse lasted about 90 minutes, from the time...
View ArticleLethal fungus that causes white-nose syndrome may have an Achilles' heel,...
The fungus behind white-nose syndrome, a disease that has ravaged bat populations in North America, may have an Achilles' heel: UV light. White-nose syndrome has spread steadily for the past decade and...
View ArticleExperiments boost solar power
With global warming an ever-present worry, renewable energy – particularly solar power—is a burgeoning field. Now, two doctoral students in the School of Architecture & Design (Arc/D) have...
View ArticleNanoscale generation of white light for ultrabroadband nanospectroscopy
Scientists from ITMO University have used a silicon-gold nanoparticle agitated by a pulse laser in IR band as an effective source of white light. One such "nanobulb" was integrated into a standard...
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