News tagged with theory of relativity
Related topics: albert einstein , universe , speed of light , cern
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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Most precise test yet of Einstein's gravitational redshift
(PhysOrg.com) -- While airplane and rocket experiments have proved that gravity makes clocks tick more slowly - a central prediction of Albert Einstein's general theory of relativity - a new experiment in ...
Feb 17, 2010 |
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Radio pulses from pulsar appear to move faster than light
(PhysOrg.com) -- Laboratory experiments in the last few decades have shown that some things can appear to move faster than light without contradicting Einstein's special theory of relativity, but now astrophysicists ...
Jan 14, 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 ...
Dec 08, 2009 |
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Laser-plasma accelerators ride on Einstein's shoulders
Using Einstein's theory of special relativity to speedup computer simulations, scientists have designed laser-plasma accelerators with energies of 10 billion electron volts (GeV) and beyond. These systems, ...
Nov 02, 2009 |
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Gamma-ray photon race ends in dead heat; Einstein wins this round
Racing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA's orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish ...
Oct 28, 2009 |
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Oddball stars explained
(PhysOrg.com) -- New observations solve longstanding mystery of tipped rotation. In addition to shedding light on how binary stars form, the explanation knocks down a possible challenge to Einstein's theory ...
Sep 17, 2009 |
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Galaxy-Sized Observatory for Gravitational Waves
(PhysOrg.com) -- Astronomers are making plans to create a galaxy-sized observatory to look for gravitational waves. The project is part of a joint effort with astronomers from Australia and Europe, who also ...
Sep 17, 2009 |
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'Metamaterials' used to look at effects of black holes, other celestial objects
(PhysOrg.com) -- Dr. Dentcho Genov, an assistant professor of physics and electrical engineering at Louisiana Tech University and a Louisiana Optical Network Initiative (LONI) Institute fellow, is featured ...
Sep 10, 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 ...
Aug 17, 2009 |
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Scientists discover, visualize exotic electrons on surfaces of unique insulators
(PhysOrg.com) -- In two separate studies, Princeton-led teams of scientists have found a new type of “light-like” electron and visualized for the first time another type that doesn’t bounce back when material imperfections ...
Aug 10, 2009 |
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Research looks at how light and matter behave around black holes, other celestial objects
Dr. Dentcho Genov, an assistant professor of physics and electrical engineering at Louisiana Tech University and a Louisiana Optical Network Initiative (LONI) Institute fellow, is featured in the most recent issue of Nature Ph ...
Jul 22, 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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Stephen Hawking expected to recover from infection
(AP) -- The family of physicist Stephen Hawking expects him to recover fully from a chest infection that has left him hospitalized, Cambridge University said Tuesday.
Apr 21, 2009 |
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