News tagged with tiny particles

Related topics: nanoparticles

Synthetic nano-waste does not disappear

(Phys.org) -- Tiny particles of cerium oxide do not burn or change in the heat of a waste incineration plant. They remain intact on combustion residues or in the incineration system, as a new study by Swiss ...

Nanotechnology / Bio & Medicine

created May 25, 2012 | popularity 5 / 5 (3) | comments 2 | with audio podcast

'Metamaterials,' quantum dots show promise for new technologies

(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Pollution teams with thunderclouds to warm atmosphere

Pollution is warming the atmosphere through summer thunderstorm clouds, according to a computational study published May 10 in Geophysical Research Letters. How much the warming effect of these clouds offsets the cooling that o ...

Space & Earth / Earth Sciences

created May 18, 2012 | popularity 3.3 / 5 (3) | comments 6 | with audio podcast

Creating nanostructures from the bottom up

Microscopic particles are being coaxed by Duke University engineers to assemble themselves into larger crystalline structures by the use of varying concentrations of microscopic particles and magnetic fields.

Nanotechnology / Nanophysics

created Apr 24, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Nanoparticles home in on brain tumors, boost accuracy of surgical removal

Like special-forces troops laser-tagging targets for a bomber pilot, tiny particles that can be imaged three different ways at once have enabled Stanford University School of Medicine scientists to remove brain tumors from ...

Nanotechnology / Bio & Medicine

created Apr 15, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Researchers show influence of nanoparticles on nutrient absorption

Nanoparticles are everywhere. From cosmetics and clothes, to soda and snacks. But as versatile as they are, nanoparticles also have a downside, say researchers at Binghamton University and Cornell University ...

Nanotechnology / Bio & Medicine

created Mar 08, 2012 | popularity 4.3 / 5 (7) | comments 1 | with audio podcast

Gasoline worse than diesel when it comes to some types of air pollution: study

The exhaust fumes from gasoline vehicles contribute more to the production of a specific type of air pollution-secondary organic aerosols (SOA)-than those from diesel vehicles, according to a new study by scientists from ...

Space & Earth / Environment

created Mar 02, 2012 | popularity 1 / 5 (1) | comments 3

A better picture of clouds

Some of us look at clouds and see animal shapes. Scientists are looking beyond. For the first time, a team of scientists led by Pacific Northwest National Laboratory used actual measurements of clouds and ...

Space & Earth / Earth Sciences

created Feb 13, 2012 | popularity not rated yet | comments 0

Unexpected ice-formation mechanism

(PhysOrg.com) -- Extremely hydrophobic materials cause water to roll right off objects that have been coated with them. Up to now, it was assumed that aircraft or wind turbines coated in such a way did not ...

Physics / Condensed Matter

created Jan 18, 2012 | popularity 3.5 / 5 (4) | comments 2 | with audio podcast

Slow road to stability for emulsions

By studying the behavior of tiny particles at an interface between oil and water, researchers at Harvard have discovered that stabilized emulsions may take longer to reach equilibrium than previously thought.

Physics / Soft Matter

created Dec 09, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

NMR used to determine whether gold nanoparticles exhibit 'handedness'

Carnegie Mellon University's Roberto R. Gil and Rongchao Jin have successfully used NMR to analyze the structure of infinitesimal gold nanoparticles, which could advance the development and use of the tiny ...

Nanotechnology / Bio & Medicine

created Dec 08, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Researchers' new recipe cooks up better tissue 'phantoms'

The precise blending of tiny particles and multicolor dyes transforms gelatin into a realistic surrogate for human tissue. These tissue mimics, known as "phantoms," provide an accurate proving ground for new photoacoustic ...

Physics / Optics & Photonics

created Nov 30, 2011 | popularity not rated yet | comments 0

Bubbles help break energy storage record for lithium-air batteries

Resembling broken eggshells, graphene structures built around bubbles produced a lithium-air battery with the highest energy capacity to date, according to scientists at Pacific Northwest National Laboratory ...

Nanotechnology / Nanomaterials

created Nov 29, 2011 | popularity 4.3 / 5 (9) | comments 1 | with audio podcast

Blocked holes can enhance rather than stop light going through

Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing ...

Physics / Optics & Photonics

created Nov 22, 2011 | popularity 4.7 / 5 (22) | comments 25 | with audio podcast

Amazon rainforest splits along geological lines

From above the Amazon rainforest may look like an endless, uniform sea of greenery, but it turns out there are sharp lines through it separating very different ecosystems with distinct inhabitants. And these ...

Biology / Ecology

created Nov 21, 2011 | popularity 5 / 5 (1) | comments 0