News tagged with probability
UQ researchers break the law -- of physics
(PhysOrg.com) -- Two UQ Science researchers have proved two famous physical laws that have been widely used for the past 25 years do not always work.
Jul 06, 2009 |
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Quantum Theory May Explain Wishful Thinking
(PhysOrg.com) -- Humans don’t always make the most rational decisions. As studies have shown, even when logic and reasoning point in one direction, sometimes we chose the opposite route, motivated by personal ...
Medicine & Health / Psychology & Psychiatry
Apr 14, 2009 |
4.1 / 5 (47) |
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Time likely to end within 5 billion years, physicists calculate
(PhysOrg.com) -- As far as astrophysicists can tell, the universe is expanding at an accelerating rate, and will likely continue to do so indefinitely. But now some physicists are saying that this theory, ...
Oct 01, 2010 |
3 / 5 (59) |
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Does the quantum wave function represent reality?
(Phys.org) -- At the heart of quantum mechanics lies the wave function, a probability function used by physicists to understand the nanoscale world. Using the wave function, physicists can calculate a system's ...
Apr 25, 2012 |
4.7 / 5 (38) |
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Winning While Losing: New Strategy Solves 'Two-Envelope' Paradox
(PhysOrg.com) -- Researchers from Australia have taken a step toward resolving a seemingly simple yet unsolved paradox known as the "two-envelope" problem. They’ve worked out a new strategy that can enable ...
Aug 18, 2009 |
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Discovery could lead to more difficult Sudoku puzzles
(PhysOrg.com) -- A new analysis of number randomness in Sudoku matrices could lead to the development of more difficult and multi-dimensional Sudoku puzzles. In a recent study, mathematicians have found that ...
Feb 13, 2010 |
3.7 / 5 (31) |
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Computer chip that computes probabilities and not logic
(PhysOrg.com) -- Lyric Semiconductor has unveiled a new type of chip that uses probability inputs and outputs instead of the conventional 1's and 0's used in logic chips today. Crunching probabilities is much ...
Technology / Computer Sciences
Aug 19, 2010 |
4.2 / 5 (27) |
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Paper stirs up controversy over the nature of the quantum wave function
(Phys.org) -- Back in November, a paper posted to a preprint server arXiv by three British physicists prompted some heated debate regarding the nature of the quantum wave function, a probability function that p ...
May 09, 2012 |
4.3 / 5 (23) |
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Heads or tails? It all depends on some key variables
Everyone knows the flip of a coin is a 50-50 proposition. Only it's not. You can beat the odds. So says a three-person team of Stanford and UC-Santa Cruz researchers. They produced a provocative study that turns conventional ...
Oct 20, 2009 |
4 / 5 (19) |
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Two molecules communicate via single photons
Scientists realize one of the most elementary and oldest "gedanken" experiments in modern physics, namely, excitation of a single molecule with a single photon. This paves the way for further investigations ...
Feb 28, 2012 |
5 / 5 (12) |
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Abuse from other universes -- a second opinion
At the end of last year, there was a flurry of activity from astronomers Gurzadyan and Penrose that considered the evidence of alternate universes or the existence of a universe prior to the Big Bang and suggested ...
Oct 10, 2011 |
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Why didn't Darwin discover Mendel's laws?
Mendel solved the logic of inheritance in his monastery garden with no more technology than Darwin had in his garden at Down House. So why couldn't Darwin have done it too? A Journal of Biology article argues that Darwin ...
Feb 27, 2009 |
3.6 / 5 (13) |
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The first goal is the deepest: Can mathematics predict the match outcome?
Jack Brimberg and Bill Hurley of The Royal Military College of Canada, Kingston, Ontario, point out that sports commentators will often argue the importance of scoring the first goal and often suggest that a team improves ...
Jun 02, 2009 |
4.3 / 5 (6) |
1
Climate change causing massive movement of tree species across the West
A huge "migration" of trees has begun across much of the West due to global warming, insect attack, diseases and fire, and many tree species are projected to decline or die out in regions where they have been present for ...
Nov 03, 2011 |
5 / 5 (5) |
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Light pulses take a quantum walk
Tourists who drift aimlessly during a sightseeing tour are moving randomly - just like electrons that move from one atom to the next. To obtain a better understanding of these random motions it is often useful ...
Mar 21, 2012 |
4.4 / 5 (5) |
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Probability
Probability, or chance, is a way of expressing knowledge or belief that an event will occur or has occurred. In mathematics the concept has been given an exact meaning in probability theory, that is used extensively in such areas of study as mathematics, statistics, finance, gambling, science, and philosophy to draw conclusions about the likelihood of potential events and the underlying mechanics of complex systems.
For more information about Probability, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
