Information
hideInformation as a concept has a diversity of meanings, from everyday usage to technical settings. Generally speaking, the concept of information is closely related to notions of constraint, communication, control, data, form, instruction, knowledge, meaning, mental stimulus, pattern, perception, and representation.
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News tagged with information
Intelligent Traffic System Predicts Future Traffic Flow on Multiple Roads
Oct 12, 2009 |
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(PhysOrg.com) -- In urban areas, there’s almost always more than one way to get somewhere, but often it’s difficult to predict which road will be fastest. In an attempt to improve traffic flow and decrease ...
Physicists Demonstrate Three-Color Entanglement
Oct 07, 2009 |
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(PhysOrg.com) -- For the first time, physicists have demonstrated the quantum entanglement of three light beams, all of different wavelengths. Entanglement of two light beams of different wavelengths has already ...
Physicists Investigate Unusual Four-Qubit Entanglement
Sep 30, 2009 |
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(PhysOrg.com) -- For the first time, physicists have experimentally demonstrated a four-qubit bound-entangled state - a peculiar form of entanglement that cannot be distilled (optimized) by the usual means. ...
How to Measure What We Don't Know
Sep 10, 2009 |
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(PhysOrg.com) -- How do we discover new things? For scientists, observation and measurement are the main ways to extract information from Nature. Based on observations, scientists build models that, in turn, are used to make ...
First-ever calculation performed on optical quantum computer chip
Sep 03, 2009 |
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(PhysOrg.com) -- A primitive quantum computer that uses single particles of light (photons) whizzing through a silicon chip has performed its first mathematical calculation. This is the first time a calculation ...
Physicists Propose Scheme for Teleporting Light Beams
Jul 14, 2009 |
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(PhysOrg.com) -- Usually when physicists talk about quantum teleportation, they're referring to the transfer of quantum states from one particle to another without a physical link. Now, physicists have investigated ...
'Look Mom No Electricity': Transmitting Information with Chemistry
Chemistry / Analytical Chemistry
Jun 19, 2009 |
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(PhysOrg.com) -- While information technology is generally thought to require electrons or photons for transmitting information, scientists have recently demonstrated a third method of transmission: chemical ...
Too much entanglement can render quantum computers useless
May 25, 2009 |
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(PhysOrg.com) -- "For certain tasks, quantum computers are more powerful than their classical counterparts. The task to be performed is the same for quantum or classical systems. However, the former ones can do it in a more ...
Post-Quantum Correlations: Exploring the Limits of Quantum Nonlocality
May 07, 2009 |
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(PhysOrg.com) -- When it comes to nonlocal correlations, some correlations are more nonlocal than others. As the subject of study for several decades, nonlocal correlations (for example, quantum entanglement) ...
Entangled Light in Bose-Einstein Condensates
Apr 08, 2009 |
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(PhysOrg.com) -- When physicists entangle light, they usually use nonlinear crystals as the source. However, it’s difficult to control the entanglement generation process in a bulk crystal, and so scientists ...
Machine Learning by Watching and Listening
Technology / Computer Sciences
Oct 05, 2009 |
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(PhysOrg.com) -- To expand the boundaries of machine intelligence, Ben Taskar is using television shows with large fan bases like CSI, Alias, and Lost to teach computers how to be smarter about what they see, hear and read.
Diamonds May Be the Ultimate MRI Probe, Say Quantum Physicists
Sep 22, 2009 |
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(PhysOrg.com) -- Diamonds, it has long been said, are a girl's best friend. But a research team including a physicist from the National Institute of Standards and Technology has recently found that the gems ...
It's all in the footwork: New research sheds light on parrot intelligence
Sep 07, 2009 |
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(PhysOrg.com) -- You can tell how smart a parrot is by watching what it does with its feet, according to a new study by Macquarie University researchers.
Professor sequences his entire genome at low cost, with small team
Aug 10, 2009 |
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(PhysOrg.com) -- The first few times that scientists mapped out all the DNA in a human being in 2001, each effort cost hundreds of millions of dollars and involved more than 250 people. Even last year, when ...
Sustained quantum information processing demonstrated
Aug 06, 2009 |
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Raising prospects for building a practical quantum computer, physicists at the National Institute of Standards and Technology have demonstrated sustained, reliable information processing operations on electrically ...
