News tagged with electrical resistivity
Medical treatments from 200 miles up
In the hunt for cancer treatments, researchers have had some help from higher authorities -- way higher. The International Space Station, orbiting the Earth at more than 200 miles in the sky, houses scientific ...
Space & Earth / Space Exploration
May 28, 2012 |
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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 ...
Apr 13, 2012 |
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Novel coding technique patented
Over the past decade, tablet computers and smartphones have taken the world by storm, in no small part due to the way in which they can be switched on almost instantly. The race has been on to develop computers that can similarly ...
Apr 12, 2012 |
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Honeycombs of magnets could lead to new type of computer processing
Scientists have taken an important step forward in developing a new material using nano-sized magnets that could ultimately lead to new types of electronic devices, with greater capacity than is currently ...
Mar 30, 2012 |
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Nanowires have superior electrical, mechanical properties and can be put to good use in pressure sensors
Miniaturized pressure sensors are widely used in mechanical and biomedical applications, for example, in gauging fuel pressure in cars or in monitoring blood pressure in patients. Woo-Tae Park and co-workers ...
Nanotechnology / Nanomaterials
Mar 29, 2012 |
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Physicists surprised by disappearing and reappearing superconductivity in iron selenium chalcogenides
(PhysOrg.com) -- Superconductivity is a rare physical state in which matter is able to conduct electricity -- maintain a flow of electrons -- without any resistance. This phenomenon can only be found in certain ...
Feb 22, 2012 |
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Magnetic random-access memory based on new spin transfer technology achieves higher storage density
Solid-state memory is seeing an increase in demand due to the emergence of portable devices such as tablet computers and smart phones. Spin-transfer torque magnetoresistive random-access memory (STT-MRAM) ...
Feb 02, 2012 |
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One-third of car fuel consumption is due to friction loss
No less than one third of a car's fuel consumption is spent in overcoming friction, and this friction loss has a direct impact on both fuel consumption and emissions. However, new technology can reduce friction by anything ...
Technology / Energy & Green Tech
Jan 12, 2012 |
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The onset of electrical resistance
Researchers at the Max-Born-Institute, Berlin, Germany, observed the extremely fast onset of electrical resistance in a semiconductor by following electron motions in real-time.
Dec 21, 2011 |
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First proof of single atomic layer material with zero electrical resistance
A research group at the NIMS International Center for Materials Nanoarchitectonics (MANA) has proved that the electrical resistance of a metal single atomic layer on a silicon surface becomes zero by superconductivity.
Nov 24, 2011 |
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Nanotubes key to microscopic mechanics
In the latest issue of Elsevier's Materials Today, researchers from Spain and Belgium reported on the innovative use of carbon nanotubes to create mechanical components for use in a new generation of micro-machines. While ...
Nanotechnology / Nanomaterials
Oct 25, 2011 |
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Powering wind energy with superconductivity
Energy prices and environmental concerns are driving the United States to rethink its energy mix and to develop domestic sources of clean, renewable energy.
Technology / Energy & Green Tech
Sep 21, 2011 |
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Innovative superconductor fibers carry 40 times more electricity
Wiring systems powered by highly-efficient superconductors have long been a dream of science, but researchers have faced such practical challenges such as finding pliable and cost-effective materials. Now ...
Sep 07, 2011 |
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Superconductivity's third side unmasked
The debate over the mechanism that causes superconductivity in a class of materials called the pnictides has been settled by a research team from Japan and China. Superconductivity was discovered in the pnictides ...
Jun 17, 2011 |
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Red wine offers clue to superconductive future
Japanese scientists at a boozy office party stumbled across a discovery they hope will help revolutionise efficient energy transmission one day: red wine makes a metal compound superconductive. ...
May 13, 2011 |
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