News tagged with physics theory
NSF grant to IU researcher funds study of 'fundamental length'
The National Science Foundation has awarded a $221,660 grant to Indiana University faculty member Amit Hagar for the first comprehensive study of fundamental length, a concept that has intrigued theoretical physicists off ...
Mar 23, 2010 |
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Quantum Sensor Developed by LSU Researcher Breaks New Limits
(PhysOrg.com) -- Researchers at Louisiana State University have invented an optical sensor that surpasses a quantum limit to sensitivity previously believed to be unbeatable. The breakthrough has a broad array of applications, ...
Mar 16, 2010 |
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As Skiers Go Down, Moguls Migrate Up, Study Finds
(PhysOrg.com) -- Gravity always wins, one might think. Avalanches roar and skiers plunge inexorably downhill. But moguls -- or bumps, as skiers know them -- move uphill.
Feb 19, 2010 |
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Physicists Solve Difficult Classical Problem with One Quantum Bit
(PhysOrg.com) -- Quantum information algorithms have the potential to solve some problems exponentially faster than current classical methods. However, most research on quantum information systems has concentrated ...
Jan 08, 2010 |
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Scientists reveal Milky Way's magnetic attraction
(PhysOrg.com) -- An international research project involving the University of Adelaide has revealed that the magnetic field in the centre of the Milky Way is at least 10 times stronger than the rest of the ...
Jan 06, 2010 |
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Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...
Dec 16, 2009 |
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Does weak equivalence break down at the quantum level?
(PhysOrg.com) -- One of the givens in physics is the weak equivalence principle. This principle has been considered solid since Einstein proposed that it is not possible to detect the difference between uniform acceleration ...
Dec 08, 2009 |
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Visual assistance for cosmic blind spots
A bit of imagination on the part of a measuring instrument wouldn't be a bad thing. It could help to add data from areas where the instrument is unable to measure. However, it must do so constructively. In ...
Nov 23, 2009 |
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Superstring theory useful for experimental physics
Superstring theory aims to explain the laws of physics from extremely small strings in various states. Theoretical superstring theory is therefore normally not considered to be particularly relevant for practical ...
Oct 30, 2009 |
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Study Shows Time Traveling May Not Increase Computational Power
(PhysOrg.com) -- For more than 50 years, physicists have been intrigued by the concept of closed time-like curves (CTCs). Because a CTC returns to its starting point, it raises the possibility of traveling backward in time. ...
Oct 22, 2009 |
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Physicists make discovery in quantum mechanics
(Santa Barbara, Calif.) -- Physicists at UC Santa Barbara have made an important advance in quantum mechanics using a superconducting electrical circuit. The finding is reported in this week's issue of the journal Nature.
Sep 23, 2009 |
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In brief: A tiny, tunable well of light, and a string theorist's toolbox
Promising photonic devices, and theorists attempt to determine whether particle physics and string theory can be reconciled.
Sep 21, 2009 |
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New physics theory prize names first recipient
Pioneering theorist and Nobel laureate Philip W. Anderson has been named the first recipient of the Richard E. Prange Prize and Lectureship in Condensed Matter Theory and Related Areas. Anderson will receive a $10,000 honorarium ...
Sep 11, 2009 |
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'Metamaterials' used to look at effects of black holes, other celestial objects
(PhysOrg.com) -- Dr. Dentcho Genov, an assistant professor of physics and electrical engineering at Louisiana Tech University and a Louisiana Optical Network Initiative (LONI) Institute fellow, is featured ...
Sep 10, 2009 |
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Vanquishing infinity: Old methods lead to a new approach to finding a quantum theory of gravity
Quantum mechanics and Einstein's theory of general relativity are both extremely accurate theories of how the universe works, but all attempts to combine the two into a unified theory have ended in failure. ...
Aug 17, 2009 |
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