News tagged with quantum theory
Related topics: quantum mechanics , physical review letters
New Law of Physics Could Explain Quantum Mysteries
(PhysOrg.com) -- Since the early days of quantum mechanics, scientists have been trying to understand the many strange implications of the theory: superpositions, wave-particle duality, and the observer’s ...
Aug 17, 2009 |
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Revised theory of gravity doesn't predict a Big Bang
(PhysOrg.com) -- The Big Bang theory has formed the basis of our understanding of the universe's origins since it was first proposed in 1927 by Georges Lemaitre. And for good reason: the theory is supported ...
Jul 12, 2010 |
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Spacetime May Have Fractal Properties on a Quantum Scale
(PhysOrg.com) -- Usually, we think of spacetime as being four-dimensional, with three dimensions of space and one dimension of time. However, this Euclidean perspective is just one of many possible multi-dimensional ...
Mar 25, 2009 |
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Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
(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, ...
Dec 16, 2009 |
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New study suggests researchers can now test the 'theory of everything'
(PhysOrg.com) -- Researchers describe how to carry out the first experimental test of string theory in a paper published tomorrow in Physical Review Letters.
Sep 01, 2010 |
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Einstein equations indicate possibility of black hole formation at the LHC
(PhysOrg.com) -- One of the concerns that has been voiced about the Large Hadron Collider (LHC), is that it could result in the formation of black holes that could destroy the world. While most scientists ...
Apr 06, 2010 |
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Black Holes: Eternal Prisons No More, Stephen Hawking's Lecture
Celebrated physicist, Stephen Hawking, delivered an inspiring speech to a full house in Bovard Auditorium on March 10. USC College Dean Howard Gillman kicked off the event by introducing Nick Warner, professor ...
Mar 16, 2009 |
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Time travel theory avoids grandfather paradox
(PhysOrg.com) -- The possibility of going back in time only to kill your ancestors and prevent your own birth has posed a serious problem for potential time travelers, not even considering the technical details ...
Jul 21, 2010 |
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A line on string theory
(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 ...
Nov 12, 2009 |
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Origin of magnetic fields may lie in special relativity's spacetime distortions
(PhysOrg.com) -- Magnetic fields play an important role on scales ranging from the sub-atomic to the cosmic, from particle spins to galaxy clusters. Although scientists know how to create and manipulate magnetic ...
Sep 09, 2010 |
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Pair of aluminum atomic clocks reveal Einstein's relativity at a personal scale
Scientists have known for decades that time passes faster at higher elevations—a curious aspect of Einstein's theories of relativity that previously has been measured by comparing clocks on the earth's surface ...
Sep 23, 2010 |
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Physicists Show Theory of Quantum Mechanics Applies to the Motion of Large Objects
(PhysOrg.com) -- Researchers at UC Santa Barbara have provided the first clear demonstration that the theory of quantum mechanics applies to the mechanical motion of an object large enough to be seen by the ...
Mar 17, 2010 |
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Heisenberg Uncertainty Principle sets limits on Einstein's 'spooky action at a distance,' new research finds
Researchers have uncovered a fundamental link between the two defining properties of quantum physics. Stephanie Wehner of Singapore's Centre for Quantum Technologies and the National University of Singapore ...
Nov 18, 2010 |
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Quantum Theory May Explain Wishful Thinking
(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 ...
Medicine & Health / Psychology & Psychiatry
Apr 14, 2009 |
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Why we've got the cosmological constant all wrong
(PhysOrg.com) -- Some scientists call the cosmological constant the "worst prediction of physics." And when today’s theories give an estimated value that is about 120 orders of magnitude larger than the ...
Mar 05, 2012 |
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