News tagged with quantum capacity


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

(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 ...





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Scientists demonstrate 'universal' programmable quantum processor

Scientists demonstrate 'universal' programmable quantum processor

Physics / Quantum Physics

created 9 hours ago | popularity 4.6 / 5 (12) | comments 4

Physicists at the National Institute of Standards and Technology have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- th ...


New national study finds more than half of cheerleading injuries in US due to stunts

Medicine & Health / Health

created Nov 13, 2009 | popularity not rated yet | comments 1

Whether rallying the crowd at a sporting event or participating in competition, cheerleading can be both fun and physically demanding. Although integral to cheerleading routines, performing stunts can lead to injury. Stunt-related ...


Study: Can meditation sharpen our attention?

Medicine & Health / Neuroscience

created Nov 13, 2009 | popularity 3.5 / 5 (6) | comments 3

(PhysOrg.com) -- A new study at the University of Wisconsin-Madison suggests that people can train their minds to stay focused.


Robots perform Shakespeare to learn how to save people

Other Sciences / Other

created Nov 13, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Flying robot fairies are joining human actors in Texas A&M University?s production of William Shakespeare's A Midsummer Night's Dream, which runs through Sunday (Nov. 15) in the Rudder Forum.


Students Send Microbe Experiment on Space Shuttle Atlantis

Space & Earth / Space Exploration

created Nov 13, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- An experiment by college students that will study how microbes grow in microgravity is heading to orbit aboard space shuttle Atlantis.


Expert advises automakers to take it slow on road to recovery

Other Sciences / Economics

created Nov 13, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Supply chain expert Panos Kouvelis says it's time for the auto industry to go through a period of capacity rationalization.


Two proteins act as molecular tailors in DNA repair

Medicine & Health / Research

created Nov 13, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- On average, our cells encounter a very lethal form of DNA damage 10 times a day. Lucky for us, we have the capacity to repair each and every one of them. New research now reveals exactly how two well-known ...


New study describes connections between Circadian and metabolic systems

Biology / Other

created Nov 12, 2009 | popularity 2.5 / 5 (2) | comments 0

A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body's Circadian system and may also simultaneously modulate its ...


A line on string theory

A line on string theory

Physics / General Physics

created Nov 12, 2009 | popularity 4.7 / 5 (43) | comments 14

(PhysOrg.com) -- A Harvard theoretical physicist has discussed with scientists at the Large Hadron Collider in Switzerland the possibility that they may discover a theorized "stau" particle, with a lifetime ...


Longer toes eyed as sprinters' edge

Longer toes eyed as sprinters' edge

Biology / Other

created Nov 12, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- Longer toes may give sprinters a leg up on other runners, according to a new study.



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