News tagged with states
Study shows loss of 15-42 percent of mammals in North America
Dec 17, 2009 |
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If the planet is headed for another mass extinction like the previous five, each of which wiped out more than 75 percent of all species on the planet, then North American mammals are one-fifth to one-half the way there, according ...
Using superconducting probes to get a picture of what it's like inside CNTs
Nov 20, 2009 |
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(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...
The use and misuse of alcohol and marijuana can be traced to a common set of genes
Dec 18, 2009 |
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Marijuana is the most commonly used illicit drug in the United States. Roughly eight to 12 percent of marijuana users are considered "dependent" and, just like alcohol, the severity of symptoms increases with heavier use. ...
The impact of the diffusion of maize to the Southwestern United States
Other Sciences / Archaeology & Fossils
Dec 08, 2009 |
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An international group of anthropologists offers a new theory about the diffusion of maize to the Southwestern United States and the impact it had.
US, Russia begin talks on cyberspace security: report
Dec 13, 2009 |
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The United States has begun talks with Russia and a UN arms control committee about strengthening Internet security and limiting military use of cyberspace, The New York Times reported.
Could Maxwell's Demon Exist in Nanoscale Systems?
Jun 24, 2009 |
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(PhysOrg.com) -- Maxwell’s demon may be making a comeback. Physicists know that the demon, an imaginary creature that decreases the entropy of a system, cannot exist in macroscopic systems due to the energy ...
Scientists Extend the Lifetime of Quantum Memory
Jan 02, 2009 |
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(PhysOrg.com) -- Storing and sending information using quantum phenomena is one of the hottest areas of research today; scientists across the globe are investigating how to make quantum communication possible for real-life ...
Measuring quantum information without destroying it
Jan 15, 2009 |
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(PhysOrg.com) -- One of the Holy Grails - so to speak - of science involves building quantum computers that can perform, with accuracy, the computations too advanced and too large for classical computers. While we remain ...
Fock states could hold clues to quantum memory components
Dec 23, 2008 |
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(PhysOrg.com) -- “Fock states will play a role in the future of quantum computing,” Andrew Cleland tells PhysOrg.com. “We have completed the first experimental measurement of the time decay of Fock states in a superconducting quantu ...
US-China showdown still looms over climate talks
Dec 15, 2009 |
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(AP) -- In a showdown between the world's two largest polluters, China accused the United States and other rich nations Tuesday of backsliding on fighting global warming and the top U.S. envoy said Chinese ...
Graphene Yields Secrets to Its Extraordinary Properties
May 14, 2009 |
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(PhysOrg.com) -- Applying innovative measurement techniques, researchers from the Georgia Institute of Technology and the National Institute of Standards and Technology have directly measured the unusual energy ...
Research pokes holes in Hubbard model: Could help solve enigma of high-temperature superconductors
Aug 19, 2009 |
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New UBC research has literally and figuratively poked holes in single-band Hubbard physics--a model that has been used to predict and calculate the behavior of high-temperature superconductors for 20 years.
Measuring Electron Orbitals
Nov 16, 2009 |
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(PhysOrg.com) -- For the first time, it has been possible to measure electron density in individual molecular states using what is known as the photoelectric effect. Now published in Science, this method repres ...
Physicists find way to control individual bits in quantum computers
Jul 07, 2009 |
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Physicists at the National Institute of Standards and Technology have overcome a hurdle in quantum computer development, having devised a viable way to manipulate a single "bit" in a quantum processor without ...
Internet still under US grip: forum delegates
Nov 18, 2009 |
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The Internet is still under the control of the United States, participants at a governance forum said, despite a move by America to loosen its grip over the private corporation that administers the net.
