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News articles about "Material"

A brighter design emerges for low-cost, 'greener' LED light bulbs

The phase out of traditional incandescent bulbs in the U S and elsewhere as well as a growing interest in energy efficiency has given LED lighting a sales boost However that trend could be short ... - Read More

Electric vehicle technology packs more punch in smaller package

Using 3 D printing and novel semiconductors researchers at the Department of Energy's Oak Ridge National Laboratory have created a power inverter that could make electric vehicles lighter more powerful and more efficient At the ... - Read More

Beyond LEDs: Brighter, new energy-saving flat panel lights based on carbon nanotubes

Even as the 2014 Nobel Prize in Physics has enshrined light emitting diodes LEDs as the single most significant and disruptive energy efficient lighting solution of today scientists around the world continue unabated to search ... - Read More

Unique catalysts for hydrogen fuel cells synthesized in ordinary kitchen microwave oven

Swedish and Chinese researchers show how a unique nano alloy composed of palladium nano islands embedded in tungsten nanoparticles creates a new type of catalysts for highly efficient oxygen reduction the most important reaction in ... - Read More

Scientists create new protein-based material with some nerve

Scientists at the University of California Berkeley have taken proteins from nerve cells and used them to create a smart material that is extremely sensitive to its environment This marriage of materials science and biology ... - Read More

Bioinspired coating for medical devices repels blood, bacteria

From joint replacements to cardiac implants and dialysis machines medical devices enhance or save lives on a daily basis However any device implanted in the body or in contact with flowing blood faces two critical ... - Read More

Variable glass coatings to stop condensation on windows

Thin film coatings impart new properties to glass in applications as diverse as window glazing solar cells and touchscreens With the Megatron® sputtering system it is now possible for the first time to vary the ... - Read More

Magnetic superconductor: Strange bedfellows

Chemists at Ludwig Maximilias Universitaet LMU in Munich have synthesized a ferromagnetic superconducting compound that is amenable to chemical modification opening the route to detailed studies of this rare combination of physical properties Superconductivity and ... - Read More

Urine of tiny migrating marine animals affects ocean chemistry

The largest migration on the planet is the movement of small animals from the surface of the open ocean where they feed on plants under cover of darkness to the sunless depths where they hide ... - Read More

More efficient transformer materials

Almost every electronic device contains a transformer An important material used in their construction is electrical steel Researchers have found a way to improve the performance of electrical steel and manufacture it more efficiently using ... - Read More

Electrically conductive plastics promising for batteries, transparent solar cells

An emerging class of electrically conductive plastics called radical polymers may bring low cost transparent solar cells flexible and lightweight batteries and ultrathin antistatic coatings for consumer electronics and aircraft Researchers have established the solid ... - Read More

DNA nano-foundries cast custom-shaped metal nanoparticles

Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have unveiled a new method to form tiny 3D metal nanoparticles in prescribed shapes and dimensions using DNA Nature's building block as a ... - Read More

Mineralization of sand particles boosts microbial water filtration

Mineral coatings on sand particles actually encourage microbial activity in the rapid sand filters that are used to treat groundwater for drinking according to a paper published ahead of print in Applied and Environmental Microbiology ... - Read More

A cost-effective and energy-efficient approach to carbon capture

Carbon capture is a process by which waste carbon dioxide CO2 released by factories and power plants is collected and stored away in order to reduce global carbon emissions There are two major ways of ... - Read More

Of bio-hairpins and polymer-spaghetti: Spotlight on how entangled polymers flow and soften

When a basically sturdy material becomes soft and spongy one usually suspects that it has been damaged in some way But this is not always the case especially when it comes to complex fluids and ... - Read More

Nanoparticles get a magnetic handle: Glowing nanoparticles can be manipulated using magnetic fields

A long sought goal of creating particles that can emit a colorful fluorescent glow in a biological environment and that could be precisely manipulated into position within living cells has been achieved by a team ... - Read More

Snakes and snake-like robots show how sidewinders conquer sandy slopes

The amazing ability of sidewinder snakes to quickly climb sandy slopes was once something biologists only vaguely understood and roboticists only dreamed of replicating By studying the snakes in a unique bed of inclined sand ... - Read More

Plasmonic Paper

at a level that the current incarnation of plasmonic paper can’t yet achieve “We expect this can be overcome by integrating biomimetic target recognition elements with plasmonic paper in the near future ” Tian said ... - Read More

Low-carbon energy future is clean, feasible

A future where electricity comes mostly from low carbon sources is not only feasible in terms of material demand but will significantly reduce air pollution a study published in the 6 October Proceedings of the ... - Read More

A quick look at electron-boson coupling: Researchers use ultrafast spectroscopy on many body effects

Imagine being able to tune the properties of a solid material just by flashing pulses of light on it for example turning an insulator into a superconductor That is just one potential payoff down the ... - Read More
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