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News tagged with gold atoms

Strange Antihyperparticle Created

(PhysOrg.com) -- Physicists, including nine from UC Davis, working at the U.S. Department of Energy's Brookhaven National Laboratory recently created some strange matter not seen since just after the Big Bang -- an "antihypertriton" ...

Physics / General Physics

created Mar 30, 2010 | popularity 4.8 / 5 (33) | comments 4 | with audio podcast

Cosmic crashes forging gold: Nuclear reactions in space do produce the heaviest elements

(PhysOrg.com) -- Collisions of neutron stars produce the heaviest elements such as gold or lead. The cosmic site where the heaviest chemical elements such as lead or gold are formed has most likely been identified: ...

Space & Earth / Astronomy

created Sep 09, 2011 | popularity 4.8 / 5 (25) | comments 46 | with audio podcast

'Perfect' Liquid Hot Enough to be Quark Soup (w/ Video)

Recent analyses from the Relativistic Heavy Ion Collider (RHIC), a 2.4-mile-circumference "atom smasher" at the U.S. DOE's Brookhaven National Laboratory, establish that collisions of gold ions traveling at ...

Physics / General Physics

created Feb 15, 2010 | popularity 4.8 / 5 (24) | comments 7 | with audio podcast

Gold and silver nanowires bond naturally, stay strong

(PhysOrg.com) -- Welding uses heat to join pieces of metal in everything from circuits to skyscrapers. But Rice University researchers have found a way to beat the heat on the nanoscale.

Nanotechnology / Nanophysics

created Feb 15, 2010 | popularity 5 / 5 (9) | comments 0 | with audio podcast

Golden pairs: Catalytic dimers of gold atoms make ethylene from methane

(PhysOrg.com) -- Ethylene (ethene, CH2=CH2) is a primary feedstock for chemical industry, and particularly for the production of plastics like polyethylene and polystyrene. Ethylene is currently made by the steam cracking ...

Chemistry / Materials Science

created Jan 19, 2010 | popularity 4.9 / 5 (9) | comments 1 | with audio podcast

Faster, cheaper chips from space technology

(PhysOrg.com) -- Our world is full of integrated semiconductor circuits, commonly known as microchips. Today you find them in computers, cars, mobile phones and in almost every electrical device. Technology ...

Technology / Semiconductors

created Mar 26, 2010 | popularity 4 / 5 (11) | comments 1

An Alchemist's Dream: Superatoms Mimic Elements

(PhysOrg.com) -- Dr. Will Castleman and his team have discovered clusters of atoms that mimic some of the properties of other elements. Called "superatoms," these clusters of atoms behave like a single "superatom" ...

Chemistry / Materials Science

created Jul 29, 2010 | popularity 4.9 / 5 (8) | comments 3

Graphene nanoribbons grow due to domino-like effect

(PhysOrg.com) -- While many labs are trying to efficiently synthesize large two-dimensional sheets of graphene, a team of researchers from Sweden and the UK is investigating the synthesis of very thin strips ...

Nanotechnology / Nanomaterials

created Sep 15, 2011 | popularity 4.6 / 5 (8) | comments 1 | with audio podcast feature

Researchers direct the self-assembly of gold nanoparticles into device-ready thin films

Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California (UC) Berkeley have directed the first self-assembly of nanoparticles into device-ready materials. Through ...

Nanotechnology / Nanophysics

created Apr 27, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

DNA as invisible ink can reversibly hide patterns

(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...

Nanotechnology / Bio & Medicine

created Jan 23, 2012 | popularity 4.3 / 5 (8) | comments 0 | with audio podcast feature

Researchers Holding Steady in an Atomic-Scale Tug-of-War

(PhysOrg.com) -- How hard do you have to pull on a single atom of -- let's say -- gold to detach it from the end of a chain of like atoms?* It's a measure of the astonishing progress in nanotechnology that ...

Nanotechnology / Nanophysics

created Mar 31, 2010 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Narrowest bridges of gold are also the strongest, study finds

At an atomic scale, the tiniest bridge of gold -- that made of a single atom -- is actually the strongest, according to new research by engineers at the University at Buffalo's Laboratory for Quantum Devices.

Nanotechnology / Nanophysics

created Jul 13, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Touch of gold improves nanoparticle fuel-cell reactions

Advances in fuel-cell technology have been stymied by the inadequacy of metals studied as catalysts. The drawback to platinum, other than cost, is that it absorbs carbon monoxide in reactions involving fuel ...

Nanotechnology / Nanomaterials

created Mar 12, 2012 | popularity 5 / 5 (5) | comments 2 | with audio podcast

Researchers heat up gold to surprising effect: It gets harder not softer

Common sense tells us that when you heat something up it gets softer, but a team of researchers, led by University of Toronto chemistry and physics professor R.J. Dwayne Miller, has demonstrated the exact ...

Physics / Condensed Matter

created Jan 22, 2009 | popularity 4 / 5 (5) | comments 2

Prediction of intrinsic magnetism at silicon surfaces could lead to single-spin magnetoelectronics

The integration of single-spin magnetoelectronics into standard silicon technology may soon be possible, if experiments confirm a new theoretical prediction by physicists at the Naval Research Laboratory and ...

Physics / Condensed Matter

created Aug 26, 2010 | popularity 5 / 5 (4) | comments 1 | with audio podcast