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Researchers heat up gold to surprising effect: It gets harder not softer
Jan 22, 2009 |
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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 ...
Single Atom Quantum Dots Bring Real Devices Closer (Video)
Jan 27, 2009 |
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(PhysOrg.com) -- Single atom quantum dots created by researchers at Canada’s National Institute for Nanotechnology and the University of Alberta make possible a new level of control over individual electrons, ...
Nano-sonar uses electrons to measure under the surface
Feb 27, 2009 |
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Just as sonar sends out sound waves to explore the hidden depths of the ocean, electrons can be used by scanning tunnelling microscopes to investigate the well-hidden properties of the atomic lattice of metals. ...
Physicists discover surprising variation in superconductors
Jan 28, 2009 |
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(PhysOrg.com) -- MIT physicists have discovered that several high-temperature superconductors display patchwork quilt-like variations at the atomic scale, a surprising finding that could help scientists understand a new class ...
Discovery by UC Riverside physicists could enable development of faster computers
Jun 24, 2008 |
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[B]Roland Kawakami's lab proposes a simple technique for controlling electron spin and current flow[/B] Physicists at UC Riverside have made an accidental discovery in the lab that has potential to change how ...
'Enlightened' Atoms Stage Nano-Riot Against Uniformity
Nov 18, 2008 |
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(PhysOrg.com) -- When atoms in a crystal are struck by laser light, their electrons, excited by the light, typically begin moving back and forth together in a regular pattern, resembling nanoscale soldiers marching in a lockstep ...
Physicists create millimeter-sized 'Bohr atom'
Jul 01, 2008 |
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Nearly a century after Danish physicist Niels Bohr offered his planet-like model of the hydrogen atom, a Rice University-led team of physicists has created giant, millimeter-sized atoms that resemble it more ...
Physicists Ponder Atoms Without Nuclei
Mar 19, 2008 |
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You might remember learning in sixth grade science class that isotopes are atoms that have lost or gained a few neutrons, and ions are atoms that have lost or gained a few electrons. But what about an atom ...
Solving a subatomic shell game: Physicists decode hidden properties of the rare Earths
Mar 23, 2009 |
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Physicists at Michigan Technological University have filled in some longtime blank spaces on the periodic table, calculating electron affinities of the lanthanides, a series of 15 elements known as rare earths.
How the atmospheres of Mars and Venus are affected by carbon monoxide
Feb 25, 2008 |
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Modelling of the Earth's atmosphere has acquired economic importance due to its use in the prediction of ozone depletion and in measuring the impact of global warming. Now, researchers, writing in the online open access journal ...
Caltech scientists film photons with electrons
Dec 16, 2009 |
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(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...
Large Area Telescope explores high-energy particles
Jul 28, 2009 |
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(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope is making some exciting discoveries about cosmic rays and the Large Area Telescope aboard Fermi is the tool in this investigation. Scientists in the ...
Exotic materials using neptunium, plutonium provide insight into superconductivity
Jul 21, 2008 |
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Physicists at Rutgers and Columbia universities have gained new insight into the origins of superconductivity - a property of metals where electrical resistance vanishes - by studying exotic chemical compounds that contain ...
A new X-ray spectroscopic tool for probing the interstellar medium
Mar 31, 2009 |
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Astronomy & Astrophysics is publishing the first clear detection of signatures long sought in the spectra of X-ray astronomical sources. These signatures, the so-called EXAFS standing for "Extended X-ray ...
Scientists Image the 'Anatomy' of a Molecule (w/ Video)
Aug 28, 2009 |
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(PhysOrg.com) -- For the first time, IBM researchers in Zurich, Switzerland, have taken a 3D image of an individual molecule. Using an atomic force microscope, the researchers constructed a "force map" of ...
