News tagged with room
Quantum correlations -- without entanglement
(PhysOrg.com) -- Few people doubt the "quantumness" of entanglement. Quantifying the quantum correlation of entanglement is something that is relatively regular right now. However, things change a bit when it comes to quantum ...
Aug 24, 2011 |
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Physicists set guidelines for qubit candidates
(PhysOrg.com) -- To build a quantum computer, it's essential to be able to quickly and efficiently manipulate the quantum states of qubits. The qubits, which are the basic unit of quantum information, can be composed of many ...
May 04, 2010 |
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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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Barrier to faster graphene devices identified and suppressed
These days graphene is the rock star of materials science, but it has an Achilles heel: It is exceptionally sensitive to its electrical environment.
Nanotechnology / Nanomaterials
Mar 13, 2012 |
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Scientists find microbes in lava tube living in conditions like those on Mars
(PhysOrg.com) -- A team of scientists from Oregon has collected microbes from ice within a lava tube in the Cascade Mountains and found that they thrive in cold, Mars-like conditions.
Space & Earth / Space Exploration
Dec 15, 2011 |
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Laser light used to cool object to quantum ground state
For the first time, researchers at the California Institute of Technology (Caltech), in collaboration with a team from the University of Vienna, have managed to cool a miniature mechanical object to its lowest ...
Oct 05, 2011 |
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Research demonstrates method that allows inexpensive carbon materials to store hydrogen at room temperature
Hydrogen has long been considered a promising alternative to fossil fuels for powering cars, trucks and even homes. But one major obstacle has been finding lightweight, robust and inexpensive ways of storing the gas, whose ...
Sep 19, 2011 |
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High-temperature superconductor spills secret: A new phase of matter
(PhysOrg.com) -- Scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California at Berkeley have joined with researchers at Stanford University ...
Mar 24, 2011 |
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Scientists using lasers to cool and control molecules
(PhysOrg.com) -- Ever since audiences heard Goldfinger utter the famous line, “No, Mr. Bond; I expect you to die,” as a laser beam inched its way toward James Bond and threatened to cut him in half, lasers ...
Sep 20, 2010 |
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Cheaper, better solar cell is full of holes
A new low-cost etching technique developed at the U.S. Department of Energy's National Renewable Energy Laboratory can put a trillion holes in a silicon wafer the size of a compact disc.
Nanotechnology / Nanomaterials
Sep 03, 2010 |
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Physicists propose quantum refrigerator
(PhysOrg.com) -- Scientists at the University of Bristol in the UK have proposed a refrigerator that consists of just a few quantum particles -- qubits.
Sep 01, 2010 |
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Key advance in understanding 'pseudogap' phase in high-Tc superconductors
(PhysOrg.com) -- Scientists have been trying for some 20 years to understand why the low temperature at which copper-oxide superconductors carry current with no resistance can't be increased to be closer to ...
Jul 14, 2010 |
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Engineers Demo Smallest Room Temperature Laser
(PhysOrg.com) -- Imagine packing 4 billion nanolasers on a three-inch semiconductor wafer. That is now nearer to reality, thanks to researchers at the University of California, San Diego’s Jacobs School of ...
May 03, 2010 |
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New material is a breakthrough in magnetism
(PhysOrg.com) -- Researchers from Imperial College London have created a structure that acts like a single pole of a magnet, a feat that has evaded scientists for decades. The researchers say their new Nature Ph ...
Apr 12, 2010 |
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Mpemba effect: Why hot water can freeze faster than cold
(PhysOrg.com) -- Scientists have known for generations that hot water can sometimes freeze faster than cold, an effect known as the Mpemba effect, but until now have not understood why. Several theories have ...
Mar 26, 2010 |
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