News tagged with material particles

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

Single nanomaterial yields many laser colors

Red, green, and blue lasers have become small and cheap enough to find their way into products ranging from BluRay DVD players to fancy pens, but each color is made with different semiconductor materials and ...

Nanotechnology / Nanophysics

created Apr 29, 2012 | popularity 5 / 5 (11) | comments 0 | 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

Researchers find possible evidence of Majorana fermions

(Phys.org) -- Researchers working out of Delft University of Technology in the Netherlands have constructed a device that appears to offer some evidence of the existence of Majorana fermions; the elusive particles ...

Physics / General Physics

created Apr 13, 2012 | popularity 4.8 / 5 (25) | comments 4 | with audio podcast report

New design for nanoparticles that absorb low-energy light, emit high-energy light may find use in biological imaging

The light that a luminescent particle emits is usually less energetic than the light that it absorbs. Some applications require the emitted light to be more energetic, but this so-called upconversion process ...

Nanotechnology / Nanomaterials

created Apr 12, 2012 | popularity not rated yet | comments 1

Copper-based materials show strange spin states

(PhysOrg.com) -- Just as water, ice, and steam are all phases of the same material that are influenced by temperature and pressure, new research shows how transitions of state work in very simple lattices ...

Physics / Condensed Matter

created Mar 28, 2012 | popularity 4.6 / 5 (11) | comments 1 | with audio podcast

Physicists demonstrate quantum plasmons in atomic-scale nanoparticles

Addressing a half-century-old question, engineers at Stanford have conclusively determined how collective electron oscillations, called plasmons, behave in individual metal particles as small as just a few nanometers in diameter. ...

Nanotechnology / Nanophysics

created Mar 21, 2012 | popularity 4.5 / 5 (17) | comments 0 | with audio podcast

Nano discs pose potential health risk

(PhysOrg.com) -- A revolutionary material that is used in computer technology could pose health risks to those involved in its manufacture.

Nanotechnology / Bio & Medicine

created Feb 21, 2012 | popularity 5 / 5 (1) | comments 0

Spotted under the microscope: How a virus puts on its armor

Scientists from VU University Amsterdam, Scripps Research Institute and the University of Michigan discovered how a virus 'puts on its armor'. This 'armor', consisting of mere proteins, is initially flexible ...

Biology / Cell & Microbiology

created Jan 31, 2012 | popularity not rated yet | comments 0

How seawater could corrode nuclear fuel

Japan used seawater to cool nuclear fuel at the stricken Fukushima-Daiichi nuclear plant after the tsunami in March 2011 -- and that was probably the best action to take at the time, says Professor Alexandra ...

Chemistry / Materials Science

created Jan 26, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Microbubbles provide new boost for biofuel production

The technique builds on previous research in which microbubbles were used to improve the way algae is cultivated.

Biology / Biotechnology

created Jan 26, 2012 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Bilayer graphene works as an insulator

A research team led by physicists at the University of California, Riverside has identified a property of "bilayer graphene" (BLG) that the researchers say is analogous to finding the Higgs boson in particle ...

Nanotechnology / Nanomaterials

created Jan 24, 2012 | popularity 4.5 / 5 (10) | comments 7 | with audio podcast

Particle-free silver ink prints small, high-performance electronics

University of Illinois materials scientists have developed a new reactive silver ink for printing high-performance electronics on ubiquitous, low-cost materials such as flexible plastic, paper or fabric substrates.

Nanotechnology / Nanomaterials

created Jan 13, 2012 | popularity 5 / 5 (11) | comments 2 | with audio podcast

Choreographing dance of electrons offers promise in pursuit of quantum computers

(PhysOrg.com) -- In the basement of Hoyt Laboratory at Princeton University, Alexei Tyryshkin clicked a computer mouse and sent a burst of microwaves washing across a silicon crystal suspended in a frozen ...

Physics / General Physics

created Jan 12, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Engineer guest authors PNAS commentary on directing colloidal assembly

The University of Delaware's Eric M. Furst authored a commentary in the Proceedings of the National Academy of Sciences (PNAS) advance online edition Dec. 19.

Physics / Soft Matter

created Dec 22, 2011 | popularity not rated yet | comments 0