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Researchers put a new spin on atomic musical chairs
Dec 02, 2009 |
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Researchers from the National Institute of Standards and Technology and the Naval Research Laboratory have developed a new way to introduce magnetic impurities in a semiconductor crystal by prodding it with ...
All decked out: Networks of chitin filaments are integral components of diatom silica shells
Dec 01, 2009 |
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(PhysOrg.com) -- A whole microcosm of various bizarrely shaped life forms opens up when you look at diatoms, the primary component of ocean plankton, under a microscope. The regularly structured silica shells of these tiny ...
In touch with molecules
Nov 12, 2009 |
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The performance of modern electronics increases steadily on a fast pace thanks to the ongoing miniaturization of the utilized components. However, se-vere problems arise due to quantum-mechanical phenomena ...
Hydrogen milestone moves energy independence one step forward
Nov 10, 2009 |
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(PhysOrg.com) -- Big things often come in small packages. That's certainly the case with the potential created by recent successes in hydrogen research at Idaho National Laboratory.
Highlight: STM banopatterning on pristine Nb-doped SrTiO3 surfaces
Nov 04, 2009 |
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Collaborative users from the Advanced Photon Source at the Argonne National Laboratory, working with the Electronic & Magnetic Materials & Devices Group, have found a controllable way to modify the surfaces ...
Mobile microscopes illuminate the brain
Nov 03, 2009 |
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(PhysOrg.com) -- By building a tiny microscope small enough to be carried around on a rats' head, scientists at the Max Planck Institute for Biological Cybernetics in Tübingen, Germany, have found a way to ...
Exposure to alkaline substances can result in damaged teeth
Oct 27, 2009 |
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It has long been known that acids can erode tooth enamel but a new Swedish study from the Sahlgrenska Academy at the University of Gothenburg, Sweden, shows that strong alkaline substances can damage teeth too - substances ...
Ancient 'Lucy' Species Ate A Different Diet Than Previously Thought
Other Sciences / Archaeology & Fossils
Oct 22, 2009 |
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(PhysOrg.com) -- Research examining microscopic marks on the teeth of the "Lucy" species Australopithecus afarensis suggests that the ancient hominid ate a different diet than the tooth enamel, size and sh ...
LCLS: The World's Largest Laser Writer?
Oct 20, 2009 |
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(PhysOrg.com) -- While not the smallest lettering ever created, the tiny initials "LCLS" have been written with what may be the world's most potent pen. Etched into boron carbide, a super-hard substance used ...
Silicon brittle? Not this kind!
Nanotechnology / Nanomaterials
Oct 14, 2009 |
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(PhysOrg.com) -- Silicon, the most important semiconductor material of all, is usually considered to be as brittle and breakable as window glass. On the nanometer scale, however, the substance exhibits very ...
In Brief: Exploring the limits of antiferromagnetism in nanostructured materials
Oct 09, 2009 |
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(PhysOrg.com) -- Researchers in the Electronic & Magnetic Materials & Devices Group (Argonne National Laboratory) and at Politecnico di Milano in Italy explored the limits of antiferromagnetism in a nanostructured ...
IBM Celebrates 20th Anniversary of Moving Atoms (w/ Video)
Sep 28, 2009 |
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(PhysOrg.com) -- On this day in 1989, IBM Fellow Don Eigler became the first person in history to move and control an individual atom. Shortly thereafter, on November 11 of that year, Eigler and his team ...
Simultaneous Nanoscale Imaging of Surface and Bulk Atoms
Sep 21, 2009 |
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(PhysOrg.com) -- Brookhaven Lab scientists have developed a new scanning electron microscope capable of selectively imaging single atoms on a surface while simultaneously probing atoms throughout the sample?s ...
Friction force differences offer new means for manipulating nanotubes
Nanotechnology / Nanomaterials
Sep 15, 2009 |
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(PhysOrg.com) -- Nanotubes and nanowires are promising building blocks for future integrated nanoelectronic and photonic circuits, nanosensors, interconnects and electro-mechanical nanodevices. But some fundamental ...
Daily bathroom showers may deliver face full of pathogens, says study
Sep 14, 2009 |
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While daily bathroom showers provide invigorating relief and a good cleansing for millions of Americans, they also can deliver a face full of potentially pathogenic bacteria, according to a surprising new ...
