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News articles about "Spectrum"

Lab-made complexes are 'sun sponges'

Light, Light
A ring of protein and pigments half synthetic and half natural can be used to quickly prototype light harvesting antennas that absorb more sunlight than fully natural ones In diagrams it looks like a confection ... - Read More

Lab-Made Complexes Are "Sun Sponges"

Released 8 23 2013 12 30 PM EDTSource Newsroom Washington University in St Louis more news from this source Aug 24 2013 In diagrams it looks like a confection of self curling ribbon with bits ... - Read More

Tiny, brightly shining silicon crystals could be safe for deep-tissue imaging

Crystals, Silicon
Tiny silicon crystals caused no health problems in monkeys three months after large doses were injected marking a step forward in the quest to bring such materials into clinics as biomedical imaging agents according to ... - Read More

Plasmonic black metals: Breakthrough in solar energy research?

Metals, Solar energy
The use of plasmonic black metals could someday provide a pathway to more efficient photovoltaics PV the use of solar panels containing photovoltaic solar cells to improve solar energy harvesting according to researchers at Lawrence ... - Read More

Off-grid sterilization with 'solar steam'

Heat
Rice University nanotechnology researchers have unveiled a solar powered sterilization system that could be a boon for more than 2.5 billion people who lack adequate sanitation The solar steam sterilization system uses nanomaterials to convert ... - Read More

Purple sunlight eaters: Microorganisms found in salt flats could offer new path to green hydrogen fuel

Salt, Fuel, Green, Microorganisms
A protein found in the membranes of ancient microorganisms that live in desert salt flats could offer a new way of using sunlight to generate environmentally friendly hydrogen fuel according to a new study by ... - Read More

Biologists name newly discovered threadworm after physicist Max Planck

Biology, biology, Biology
Biologists in Tübingen working with Ralf J Sommer have named a newly discovered nematode after a German Nobel laureate Pristionchus maxplancki is thus the first species to carry the name of the scientist who died ... - Read More

Tiny nanocubes help scientists tell left from right

Chiral
In chemical reactions left and right can make a big difference A left handed molecule of a particular chemical composition could be an effective drug while its mirror image right handed counterpart could be completely ... - Read More

New quantum dot technique combines best of optical and electron microscopy

Microscopy
It's not reruns of The Jetsons but researchers working at the National Institute of Standards and Technology NIST have developed a new microscopy technique that uses a process similar to how an old tube television ... - Read More

Bringing cheaper, 'greener' lighting to market with inkjet-printed hybrid quantum dot LEDs

Quantum, Quantum
It's not easy going green For home lighting applications organic light emitting diodes OLEDs hold the promise of being both environmentally friendly and versatile Though not as efficient as regular light emitting diodes LEDs they ... - Read More

Metamaterials: Leading light waves astray

The development of structured synthetic materials with unusual electromagnetic properties so called metamaterials promises to provide access to special physical effects of great technological interest Metamaterials have already been fabricated that have a negative refractive ... - Read More

Organic chemistry: Leading light waves astray

The development of structured synthetic materials with unusual electromagnetic properties so called metamaterials promises to provide access to special physical effects of great technological interest Metamaterials have already been fabricated that have a negative refractive ... - Read More

Cosmic rays: Galactic knee and extragalactic ankle

Cosmic rays
It is obvious from the data of the KASCADE Grande experiment at the Karlsruhe Institute of Technology KIT that the so called knee of the cosmic rays a bend in the energy spectrum at high ... - Read More

New method for tailoring optical processors

Optical, Optical
Rice University scientists have unveiled a robust new method for arranging metal nanoparticles in geometric patterns that can act as optical processors that transform incoming light signals into output of a different color The breakthrough ... - Read More

Artificial forest for solar water-splitting: First fully integrated artificial photosynthesis nanosystem

Photosynthesis
In the wake of the sobering news that atmospheric carbon dioxide is now at its highest level in at least three million years an important advance in the race to develop carbon neutral renewable energy ... - Read More

New insights into how materials transfer heat could lead to improved electronics

U of T Engineering researchers working with colleagues from Carnegie Mellon University have published new insights into how materials transfer heat which could lead eventually to smaller more powerful electronic devices Integrated circuits and other ... - Read More

Chemists demonstrate nanoscale alloys so bright they could have potential medical applications

Medical, Applications, Alloys
Alloys like bronze and steel have been transformational for centuries yielding top of the line machines necessary for industry As scientists move toward nanotechnology however the focus has shifted toward creating alloys at the nanometer ... - Read More

Invisible pattern can put a stop to counterfeit designer clothing

molecules
There is now a way to differentiate between designer clothing and knockoffs Chalmers researcher Christian Müller has produced a thread with unique optical properties which can be used to create invisible patterns in fabrics that ... - Read More

Dual-color lasers could lead to cheap and efficient LED lighting

A new semiconductor device capable of emitting two distinct colours has been created by a group of researchers in the US potentially opening up the possibility of using light emitting diodes LEDs universally for cheap ... - Read More

Researchers design nanometer-scale material that can speed up, squeeze light

Nanometer, Nanometer, Nanometer
In a process one researcher compares to squeezing an elephant through a pinhole researchers at Missouri University of Science and Technology have designed a way to engineer atoms capable of funneling light through ultra small ... - Read More
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