News tagged with classical

results timeline


Quantum computing may actually be useful, after all

Quantum computing may actually be useful, after all

Physics / Quantum Physics

created Oct 09, 2009 | popularity 4.6 / 5 (35) | comments 9

(PhysOrg.com) -- In recent years, quantum computers have lost some of their luster. In the 1990s, it seemed that they might be able to solve a class of difficult but common problems — the so-called NP-complete ...


Scientists discover quantum fingerprints of chaos

Scientists discover quantum fingerprints of chaos

Physics / Quantum Physics

created Oct 07, 2009 | popularity 4.8 / 5 (28) | comments 1

Chaotic behavior is the rule, not the exception, in the world we experience through our senses, the world governed by the laws of classical physics.


Physicists make discovery in quantum mechanics

Physics / Quantum Physics

created Sep 23, 2009 | popularity 4.3 / 5 (27) | comments 49

(Santa Barbara, Calif.) -- Physicists at UC Santa Barbara have made an important advance in quantum mechanics using a superconducting electrical circuit. The finding is reported in this week's issue of the journal Nature.


Quantum measurements: Common sense is not enough

Quantum measurements: Common sense is not enough

Physics / Quantum Physics

created Jul 22, 2009 | popularity 4.1 / 5 (19) | comments 19

(PhysOrg.com) -- In comparison to classical physics, quantum physics predicts that the properties of a quantum mechanical system depend on the measurement context, i.e. whether or not other system measurements ...


Researcher Investigates the Basis of Einstein's First Approximation in the Theory of Relativity

Physics / General Physics

created Jul 15, 2009 | popularity 4.1 / 5 (23) | comments 41

(PhysOrg.com) -- In his discussion of accelerated motion on page 60 of The Meaning of Relativity, Albert Einstein made an approximation that allowed him to develop the theory of relativity further. Einstein apparently never ...


Translate this: 'cognition-strength interfaces'

Translate this: 'cognition-strength interfaces'

Technology / Engineering

created Jul 06, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- A highly ambitious European project used basic cognitive function, eye-tracking and keystroke logging as the starting point for the study of human-computer interaction for translation. It ...


Researchers putting a freeze on oscillator vibrations

Physics / General Physics

created Jun 17, 2009 | popularity 4.4 / 5 (5) | comments 3

University of Oregon physicists have successfully landed a one-two punch on a tiny glass sphere, refrigerating it in liquid helium and then dosing its perimeter with a laser beam, to bring its naturally occurring mechanical ...


Evidence of macroscopic quantum tunneling detected in nanowires

Evidence of macroscopic quantum tunneling detected in nanowires

Nanotechnology / Nanophysics

created May 27, 2009 | popularity 4.2 / 5 (13) | comments 6

A team of researchers at the University of Illinois has demonstrated that, counter to classical Newtonian mechanics, an entire collection of superconducting electrons in an ultrathin superconducting wire is ...


Ion trap quantum computing

Physics / Quantum Physics

created May 12, 2009 | popularity 4.5 / 5 (11) | comments 1

(PhysOrg.com) -- “Right now, classical computers are faster than quantum computers,” René Stock tells PhysOrg.com. “The goal of quantum computing is to eventually speed up the time scale of solving certain important proble ...


Scientists discover new chemical reaction for DNA production in bacteria and viruses

DNA biosynthesis discovery could lead to better antibiotics

Biology / Cell & Microbiology

created Apr 16, 2009 | popularity 2.5 / 5 (2) | comments 0

Combating several human pathogens, including some biological warfare agents, may one day become a bit easier thanks to research reported by a University of Iowa chemist and his colleagues in the April 16 issue ...


15M hits later, YouTube Symphony makes live debut (AP)

15M hits later, YouTube Symphony makes live debut

Technology / Internet

created Apr 16, 2009 | popularity 5 / 5 (1) | comments 0

(AP) -- Even before they played their first note together, they were listed as one of the world's most inspiring orchestras.


Quantum Theory May Explain Wishful Thinking

Quantum Theory May Explain Wishful Thinking

Medicine & Health / Psychology & Psychiatry

created Apr 14, 2009 | popularity 4.1 / 5 (47) | comments 14

(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 ...


Research defines dendritic cell lineage

Medicine & Health / Research

created Mar 19, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Dendritic cells were discovered more than 30 years ago, but their pedigree has never been fully charted. They were known to be key immune system cells born in bone marrow, but their adolescence remained a ...


It's Easier to Observe the Failure of Local Realism than Previously Thought

Physics / General Physics

created Mar 04, 2009 | popularity 4.3 / 5 (41) | comments 199

(PhysOrg.com) -- Local realism is something we live with every day, even if we don’t realize it. The principle of local realism combines two assumptions: locality and realism. Locality says that distant objects cannot directly ...


Peptides-on-demand: Researcher's radical new green chemistry makes the impossible possible

Peptides-on-demand: Researcher's radical new green chemistry makes the impossible possible

Chemistry / Other

created Feb 24, 2009 | popularity 5 / 5 (1) | comments 1

(PhysOrg.com) -- McGill University chemistry professor Chao-Jun (C.J.) Li is known as one of the world leading pioneers in green chemistry, an entirely new approach to the science which eschews the use of ...