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Nanocaps help scientists control magnetism reversal
Mar 03, 2006 |
4.4 / 5 (75) |
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By fabricating curved “nanocaps” to study nanoscale magnetism, scientists have discovered how to partly control magnetism reversal, which could improve applications such as data storage, recording media and ...
New Study of Meteorite Provides More Evidence for Ancient Life on Mars
Space & Earth / Space Exploration
Dec 17, 2009 |
4.8 / 5 (36) |
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(PhysOrg.com) -- In 1996, when scientists examined a meteorite from Mars previously uncovered in Antarctica, they were intrigued by what looked like microscopic fossils of ancient Martian life forms. Now, ...
Stretchable Nanotube Films May Advance Medical Electronics (Update)
May 04, 2009 |
3.6 / 5 (10) |
1
(PhysOrg.com) -- One of the issues hindering the development of medical electronic devices capable of being implanted in the human body is the lack of suitable materials. Most semiconducting materials are ...
Study of 'Persistent Currents' Finally Verifies Theory
Apr 28, 2009 |
4.7 / 5 (23) |
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(PhysOrg.com) -- Approximately 20 years ago, scientists discovered that is is possible for an electric current to flow endlessly in a ring made of a normal metal. One might think that such an 'old' finding ...
Observing the Quantum Hall Effect in 'Real' Space
Jan 12, 2009 |
4.2 / 5 (14) |
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(PhysOrg.com) -- When water transforms into steam, or magnetized iron changes to demagnetized iron, Katsushi Hashimoto explains to PhysOrg.com, a phase transition is taking place: “Classical phase transitions…often share ...
New 'Nanowelding' Technique for Building Electronic Nanostructures
Dec 29, 2008 |
5 / 5 (7) |
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(PhysOrg.com) -- Scientists have discovered a way to link nanowires and other nanoobjects into complex nanostructures and circuits by fusing them together with tiny amounts of solder. The researchers, from ...
Carbon Nanotube-Coated Electrodes Improve Brain Readouts
Nanotechnology / Bio & Medicine
Aug 12, 2008 |
4.3 / 5 (23) |
5
A research group has significantly improved the quality of brain-function measurements by coating metal neural electrodes with carbon nanotubes. Their work could potentially allow scientists to learn more ...
Physicists Investigate Controversy over Room-Temperature Ice
Aug 05, 2008 |
4.4 / 5 (39) |
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(PhysOrg.com) -- By confining water in nano-sized spaces, physicists from Leiden University in the Netherlands have turned water into ice at room temperature. While it’s not the first time scientists have created room-temperature ...
A Smarter Way to Grow Graphene
May 14, 2008 |
4.4 / 5 (64) |
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Graphene, a sheet of carbon just one atom thick, has many potential uses in the electronics industry, but producing these ideal two-dimensional carbon sheets is very difficult and, as a result, their use has ...
Researchers Observe Hydrogen-Bond Exchange
May 08, 2008 |
4.6 / 5 (52) |
8
Hydrogen bonds are quite small, on the level of a few angstroms. They can also be passed between two different molecules very quickly, at speeds of tens of times per second. But in spite of these properties, ...
Scientists Make 'Perfect' Nanowires
Jan 23, 2008 |
4.3 / 5 (57) |
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Scientists have created silicon nanowires that are perfect—at least atomically. Down at the single-atom level, the identical wires have no bumps, bends, or other imperfections. They are perfectly crystalline, even more so ...
Understanding light at the nanoscale: a nano-sized double-slit experiment
Jul 17, 2007 |
4.4 / 5 (62) |
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Before nanotechnology can reach its full potential, researchers must understand the way things work on the nanoscale—which is often very different from the macroscopic world. One of these areas is light, and ...
Imaging Challenges Theory of High-temperature Superconductivity
Aug 02, 2006 |
4.7 / 5 (27) |
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By observing events at the scale of single atoms, Cornell researchers have found evidence that the mechanism in high-temperature superconductors may be much more like that in low-temperature superconductors ...
Scientists image 'magnetic semiconductors' on the nanoscale
Jul 27, 2006 |
4.3 / 5 (22) |
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In a first-of-its-kind achievement, scientists at the University of Iowa, the University of Illinois at Urbana-Champaign and Princeton University have directly imaged the magnetic interactions between two magnetic ...
Electric field can align silver nanowires
May 17, 2006 |
4.3 / 5 (59) |
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Scientists have discovered how to align silver nanowires in a controlled manner with an electric field. Their technique offers a possible route to sculpting and writing on nanowires, an ability that will likely ...
