News tagged with theory model
Model shows how scientific paradigms rise and fall
(PhysOrg.com) -- Scientific concepts such as climate change, nanotechnology, and chaos theory can sometimes spring up and capture the attention of both the scientific and public communities, only to be replaced ...
Feb 22, 2011 |
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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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Can R2 gravity explain dark matter?
(PhysOrg.com) -- "In many ways, the standard model of cosmology works very well," Jose Cembranos tells PhysOrg. "However, there are very basic features that we just do not know. We have dark energy and dark matter. They d ...
Apr 20, 2009 |
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Study shows evolutionary adaptations can be reversed, but rarely
(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.
May 11, 2011 |
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Gas rich galaxies confirm prediction of modified gravity theory
(PhysOrg.com) -- Recent data for gas rich galaxies precisely match predictions of a modified theory of gravity know as MOND according to a new analysis by University of Maryland Astronomy Professor Stacy McGaugh. ...
Feb 23, 2011 |
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Experiment tests underpinnings of quantum field theory, Bose-Einstein statistics of photons
(PhysOrg.com) -- Of all the assumptions underlying quantum mechanics and the theory that describes how particles interact at the most elementary level, perhaps the most basic is that particles are either ...
Jun 25, 2010 |
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Physicists offer foundation for uprooting a hallowed principle of physics
Physicists at Indiana University have developed a promising new way to identify a possible abnormality in a fundamental building block of Einstein's theory of relativity known as "Lorentz invariance." If confirmed, the abnormality ...
Jan 05, 2009 |
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Puzzling asymmetries in B decays hint at deviations from the Standard Model
(Phys.org) -- In a recently published paper, the LHCb Collaboration has reported on a possible deviation from the Standard Model. Theorists are now working to calculate precisely this effect and to evaluate ...
May 28, 2012 |
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New mathematical model to enable web searches for meaning
(PhysOrg.com) -- A new theory of meaning has the potential to revolutionise many artificial intelligence technologies and enable web searches that interpret the meaning of queries, according to its developer, a computer scientist ...
Sep 26, 2011 |
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New information about how Himalayas were formed
Evidence of the mineral majorite in Himalayan rocks have overturned scientific theory about the birth of the tallest mountains on Earth.
Space & Earth / Earth Sciences
Aug 05, 2010 |
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Time travel? Maybe
Imagine that you're a science-fiction writer on a tight schedule. You'd like to play in the vast expanses of the universe, but you have too much scientific integrity to conjure up a warp drive or a DeLorean out of thin air. ...
May 11, 2010 |
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Mathematicians offer elegant solution to evolutionary conundrum
UBC researchers have proffered a new mathematical model that seeks to unravel a key evolutionary riddle--namely what factors underlie the generation of biological diversity both within and between species.
Apr 22, 2010 |
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Bottom Of The Inning Not Tops For Hitters
For most teams, Major League Baseball's season opens today, and for some diehard fans there are few things more sacred than statistics.
Apr 05, 2010 |
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Financial instruments could be spiked with unfindable risks
(PhysOrg.com) -- In a result that may have implications for financial regulation, researchers from computer science and economics have revealed potentially impenetrable problems with the pricing of financial ...
Other Sciences / Economics & Business
Dec 21, 2009 |
4.7 / 5 (20) |
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A connected world gives viruses the edge
That's one conclusion from a new study that looked at how virulence evolves in parasites. The research examined whether parasites evolve to be more or less aggressive depending on whether they are closely ...
May 27, 2009 |
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