News tagged with general relativity
Related topics: black holes
Our universe at home within a larger universe? So suggests wormhole research
(PhysOrg.com) -- Could our universe be located within the interior of a wormhole which itself is part of a black hole that lies within a much larger universe?
Apr 06, 2010 |
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NSF grant to IU researcher funds study of 'fundamental length'
The National Science Foundation has awarded a $221,660 grant to Indiana University faculty member Amit Hagar for the first comprehensive study of fundamental length, a concept that has intrigued theoretical physicists off ...
Mar 23, 2010 |
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Study validates general relativity on cosmic scale, existence of dark matter
(PhysOrg.com) -- An analysis of more than 70,000 galaxies by University of California, Berkeley, University of Zurich and Princeton University physicists demonstrates that the universe - at least up to a distance ...
Mar 10, 2010 |
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Einstein's theory of relativity on display for first time
In a darkened room in Jerusalem, the world was given a rare glimpse Sunday into the mind of Albert Einstein as he worked to unlock the secrets of the universe.
Mar 07, 2010 |
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West Virginia Student Discovers New Pulsar
(PhysOrg.com) -- A West Virginia high-school student has discovered a new pulsar, using data from the giant Robert C. Byrd Green Bank Telescope (GBT).
Space & Earth / Space Exploration
Jan 22, 2010 |
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Does weak equivalence break down at the quantum level?
(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 ...
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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Precise Radio-Telescope Measurements Advance Frontier Gravitational Physics
(PhysOrg.com) -- Scientists using a continent-wide array of radio telescopes have made an extremely precise measurement of the curvature of space caused by the Sun's gravity, and their technique promises a ...
Sep 01, 2009 |
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Rewriting general relativity? Putting a new model of quantum gravity under the microscope
Does an exciting but controversial new model of quantum gravity reproduce Einstein's theory of general relativity? Scientists at Texas A&M University in the US explore this question in a paper appearing in ...
Aug 24, 2009 |
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Vanquishing infinity: Old methods lead to a new approach to finding a quantum theory of gravity
Quantum mechanics and Einstein's theory of general relativity are both extremely accurate theories of how the universe works, but all attempts to combine the two into a unified theory have ended in failure. ...
Aug 17, 2009 |
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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 ...
Testing relativity in the lab
Even Albert Einstein might have been impressed. His theory of general relativity, which describes how the gravity of a massive object, such as a star, can curve space and time, has been successfully used to ...
Jul 20, 2009 |
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Researcher Investigates the Basis of Einstein's First Approximation in the Theory of Relativity
(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 ...
Jul 15, 2009 |
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Celebrating gravity’s light-bending landmark
(PhysOrg.com) -- Today Oxford University scientists are joining in a special celebration of the first test of Albert Einstein’s theory of gravity on the remote African island where the ground-breaking experiment ...
May 29, 2009 |
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LIDAR system offers peerless precision in remote measurements
By combining the best of two different distance measurement approaches with a super-accurate technology called an optical frequency comb, researchers at the National Institute of Standards and Technology have built a laser ...
May 24, 2009 |
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