News tagged with quantum gravity
Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
Dec 16, 2009 |
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(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...
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Researchers Design Triple Quantum Dot for Quantum Information Applications
Nov 30, 2009 |
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(PhysOrg.com) -- While quantum dots have existed since the 1980s, only in the past decade have physicists successfully created lateral few-electron single quantum dots. These quantum dots enable physicists ...
Straightening messy correlations with a quantum comb
Nov 23, 2009 |
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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 ...
Google Collaborates with D-Wave on Possible Quantum Image Search
Dec 15, 2009 |
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(PhysOrg.com) -- Always on the cutting edge of new computing technologies, Google has recently announced that it is investigating the use of quantum computing schemes to achieve faster image recognition rates. ...
A quantum leap forward?
Nov 23, 2009 |
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The dusty boxes that line the walls of Jeff Barrett's UC Irvine office mark a high point in his academic career. Their contents: pages and pages of notes, most more than 50 years old, penned by late quantum ...
Researcher studies the universe through quantum electrodynamics
Dec 17, 2009 |
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(PhysOrg.com) -- Fundamental constants, such as the standards for length and mass, are a given in our society. However, research has shown that these constants might be changing slightly with the expansion of the universe.
Does weak equivalence break down at the quantum level?
Dec 08, 2009 |
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(PhysOrg.com) -- One of the givens in physics is the weak equivalence principle. This principle has been considered solid since Einstein proposed that it is not possible to detect the difference between uniform acceleration ...
Physicists lay the groundwork for cooler, faster computing
Dec 14, 2009 |
4.7 / 5 (25) |
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University of Toronto quantum optics researchers Sajeev John and Xun Ma have discovered new behaviours of light within photonic crystals that could lead to faster optical information processing and compact computers that ...
Physicists propose quantum entanglement for motion of microscopic objects
1hour ago |
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Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
Astronaut balancing act: Training to help explorers adapt to a return to gravity
Space & Earth / Space Exploration
Dec 09, 2009 |
5 / 5 (3) |
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Astronauts returning from challenging long-duration missions face one more challenge when they get back to Earth - standing up and walking.
Scientists build 'single-atom transistor'
Dec 06, 2009 |
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(PhysOrg.com) -- Researchers from Helsinki University of Technology (Finland), University of New South Wales (Australia), and University of Melbourne (Australia) have succeeded in building a working transistor, ...
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