News tagged with theory model
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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Math wars: Debate sparks anti-pi day
(PhysOrg.com) -- A controversial debate in the math world has led to celebrations today by opponents of the mathematical constant pi.
Jun 29, 2011 |
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Economist studies how higher gas price affect consumer behavior
A dollar is a dollar is a dollar, so goes the economic theory of fungibility. But do people really act that way? In a new working paper, Brown University economist Justine Hastings and Jesse Shapiro of Chicago Booth School ...
Other Sciences / Economics & Business
May 12, 2011 |
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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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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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Scientists use light signatures to track merging supermassive black holes
Scientists pursuing supermassive black holes suspect that these giants merge somewhere in the universe roughly once a year, but they don't know how to find them. They think the evidence is hidden in the powerful gravitational ...
Nov 08, 2010 |
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Dealing with the unexpected
To regain balance from an unexpected slip on the ice can require an abundance of rapid movement, but conscious thought isn't part of the equation.
Oct 22, 2010 |
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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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Surprising nucleon behavior
Data from DOE's Oak Ridge National Laboratory on neutron interactions with isotopes of platinum contradict a basic assumption underpinning random matrix theory, nuclear physics models and quantum chaos.
Jul 30, 2010 |
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Scent explained mathematically
(PhysOrg.com) -- An interdisciplinary team of neurobiologists and mathematicians from the Friedrich Miescher Institute for Biomedical Research (FMI, Switzerland) has managed to mathematically describe an important ...
Medicine & Health / Neuroscience
Jul 26, 2010 |
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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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Game theoretic machine learning methods can help explain long periods of conflict
Researchers at the Santa Fe Institute have developed new machine learning methods to study conflict. Their work appears in PLOS Computational Biology on May 13.
May 13, 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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