News tagged with communication

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In quantum channels, zero plus zero can equal non-zero

In quantum channels, zero plus zero can equal non-zero

Physics / General Physics

created Oct 06, 2008 | popularity 4.6 / 5 (62) | comments 12 feature

(PhysOrg.com) -- Physicists have discovered a strange characteristic of quantum communication channels. If two quantum channels each have a transmission capacity of zero, they may still have a nonzero capacity ...


Long-Lasting Quantum Memory Leads to Long-Distance Quantum Communication

Long-Lasting Quantum Memory Leads to Long-Distance Quantum Communication

Physics / General Physics

created Oct 07, 2008 | popularity 4.3 / 5 (54) | comments 6 feature

(PhysOrg.com) -- Physicists have taken a step closer to realizing long-distance quantum communication, in which a quantum state is transferred from one location to another by becoming entangled with a traveling ...


Computer Based on Insights From The Brain Moves Closer to Reality

Computer Based on Insights From The Brain Moves Closer to Reality

Technology / Computer Sciences

created Nov 18, 2009 | popularity 4.6 / 5 (26) | comments 4

(PhysOrg.com) -- Today at SC 09, the supercomputing conference, IBM announced significant progress toward creating a computer system that simulates and emulates the brain's abilities for sensation, perception, ...


Communicating person to person through the power of thought alone

Communicating person to person through the power of thought alone (w/ Video)

Medicine & Health / Neuroscience

created Oct 06, 2009 | popularity 3.6 / 5 (25) | comments 8

New research from the University of Southampton has demonstrated that it is possible for communication from person to person through the power of thought alone.


Post-Quantum Correlations: Exploring the Limits of Quantum Nonlocality

Post-Quantum Correlations: Exploring the Limits of Quantum Nonlocality

Physics / Quantum Physics

created May 07, 2009 | popularity 4 / 5 (22) | comments 20 feature

(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) ...


Ulysses space mission to end

Ulysses space mission to end

Space & Earth / Space Exploration

created Jun 26, 2009 | popularity 4.9 / 5 (14) | comments 2

After 18.6 years in space and defying several earlier expectations of its demise, the joint ESA/NASA solar orbiter Ulysses will achieve 'end of mission' on 30 June 2009. The final communication pass with a ...


Researchers Set New Distance Record for Quantum Key Distribution

Researchers Set New Distance Record for Quantum Key Distribution

Physics / Quantum Physics

created Jul 21, 2009 | popularity 4.9 / 5 (14) | comments 4 feature

(PhysOrg.com) -- Quantum key distribution (QKD) could be the next commercial success of quantum physics, and a recent study has taken the field a step closer to this reality. Researchers from the University ...


Vanish + Google Docs

This article will self-destruct: A tool to make online personal data vanish (w/ Video)

Technology / Computer Sciences

created Jul 21, 2009 | popularity 3.9 / 5 (17) | comments 3

Computers have made it virtually impossible to leave the past behind. College Facebook posts or pictures can resurface during a job interview. A lost cell phone can expose personal photos or text messages. ...


Efforts to save endangered languages

Efforts to save endangered languages

Other Sciences / Social Sciences

created Dec 14, 2009 | popularity 4.4 / 5 (15) | comments 9 weblog

(PhysOrg.com) -- There are an estimated 6,500 languages in the world, with around fifty percent of them endangered and likely to cease to exist by 2100, but efforts are now being made to save them from extinction.


Robots Reveal Insights into Evolution

Robots Reveal Insights into Evolution

Electronics / Robotics

created Sep 16, 2009 | popularity 4.4 / 5 (14) | comments 22 feature

(PhysOrg.com) -- In an ironic twist to our understanding of life, robots may offer a greater degree of realism for studying some of the intricacies of natural selection and evolution than real organisms offer. ...


Cat

House cats know what they want and how to get it from you

Biology / Plants & Animals

created Jul 13, 2009 | popularity 4.8 / 5 (12) | comments 4

Anyone who has ever had cats knows how difficult it can be to get them to do anything they don't already want to do. But it seems that the house cats themselves have had distinctly less trouble getting humans ...


How Bob Detects Possible Errors in the Coding of Alice's Message

Viterbi Algorithm goes quantum

Physics / General Physics

created Jul 31, 2008 | popularity 4.8 / 5 (11) | comments 0

The Viterbi Algorithm, the elegant 41-year-old logical tool for rapidly eliminating dead end possibilities in data transmission, has a new application to go alongside its ubiquitous daily use in cell phone ...


New concept may enhance Earth-Mars communication

New concept may enhance Earth-Mars communication

Space & Earth / Space Exploration

created Oct 16, 2009 | popularity 4.1 / 5 (12) | comments 18

Direct communication between Earth and Mars can be strongly disturbed and even blocked by the Sun for weeks at a time, cutting off any future human mission to the Red Planet. An ESA engineer working with engineers ...


Straightening messy correlations with a quantum comb

Straightening messy correlations with a quantum comb

Physics / Quantum Physics

created Nov 23, 2009 | popularity 4.8 / 5 (10) | comments 0

Quantum computing promises ultra-fast communication, computation and more powerful ways to encrypt sensitive information. But trying to use quantum states as carriers of information is an extremely delicate ...


3 Americans share 2009 Nobel Prize in physics (AP)

'Masters of light' win Nobel Physics Prize

Physics / General Physics

created Oct 06, 2009 | popularity 4.8 / 5 (10) | comments 2

Charles Kao, Willard Boyle and George Smith won the 2009 Nobel Physics Prize Tuesday for pioneering "masters of light" work on fibre optics and semiconductors, the Nobel jury said.