Search results for string theory:
Vanquishing infinity: Old methods lead to a new approach to finding a quantum theory of gravity
Aug 17, 2009 |
4.3 / 5 (11) |
2
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. ...
In brief: A tiny, tunable well of light, and a string theorist's toolbox
Sep 21, 2009 |
3.8 / 5 (17) |
7
Promising photonic devices, and theorists attempt to determine whether particle physics and string theory can be reconciled.
Physical reality of string theory demonstrated
Jul 06, 2009 |
4.4 / 5 (67) |
51
String theory has come under fire in recent years. Promises have been made that have not been lived up to. Leiden (The Netherlands) theoretical physicists have now for the first time used string theory to describe a physical ...
String Theory's Next Top Model
Oct 25, 2007 |
4.1 / 5 (98) |
3
Ernest Rutherford used to tell his physics students that if they couldn't explain a concept to a barmaid, they didn't really understand the concept. With regard to the cosmological implications of string theory, ...
Scientists propose test of string theory based on neutral hydrogen absorption
Jan 28, 2008 |
4.5 / 5 (34) |
3
Ancient light absorbed by neutral hydrogen atoms could be used to test certain predictions of string theory, say cosmologists at the University of Illinois. Making the measurements, however, would require a gigantic array ...
Superstring theory useful for experimental physics
Oct 30, 2009 |
3.9 / 5 (26) |
9
Superstring theory aims to explain the laws of physics from extremely small strings in various states. Theoretical superstring theory is therefore normally not considered to be particularly relevant for practical ...
Physicists Develop Test for 'String Theory'
Jan 23, 2007 |
4.5 / 5 (133) |
0
For decades, scientists have taken issue with “string theory”—a theory of the universe which contends that the fundamental forces and matter of nature can be reduced to tiny one-dimensional filaments called strings—because ...
A test for new physics, including string theory
Feb 05, 2007 |
4.3 / 5 (75) |
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Detractors of string theory have been deriding it for years, claiming that there is no way to test it. However, with a paper published in Physical Review Letters titled “Falsifying Models of New Physics via WW Scattering”, that c ...
'String' theory offers insight into catastrophic failure
Aug 16, 2007 |
3.9 / 5 (26) |
0
What do a centuries old gambling puzzle, thread and catastrophic failure have in common" A simple experiment conducted by Kent State chemical physics professor Peter Palffy-Muhoray and graduate student Jake Fontana reveals ...
The New New Math of String Theory
Jun 20, 2006 |
3.5 / 5 (130) |
2
At the beginning of the last century, Albert Einstein posited a now famous theory that forever linked geometry and fundamental physics. According to general relativity, spacetime is curved, and that curvature ...
Brane trust: tunneling and stringy physics
Oct 30, 2007 |
4.2 / 5 (62) |
1
“As is often the case in science, everybody contributes their piece, forming a complete picture only after years hard work,” Amanda Weltman tells PhysOrg.com. Weltman, a scientist at the University of Cape Town and at Cam ...
A line on string theory
Nov 12, 2009 |
4.7 / 5 (44) |
14
(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 ...
SLAC Physicists Develop Test For String Theory*
Physics /
Feb 08, 2006 |
4.4 / 5 (79) |
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*Under Certain Conditions String theory solves many of the questions wracking the minds of physicists, but it has one major flaw — there are currently no known methods to test it. SLAC scientists have found a way ...
Unravelling the random fluctuations of nothing
Aug 02, 2007 |
4 / 5 (29) |
0
The dream of theoretical physics is to unite behind a common theory that explains everything, but that goal has remained highly elusive. String theory emerged 40 years ago as one of the most promising candidates for such ...
New String-Theory Notion Redefines the Big Bang
Physics /
Mar 31, 2006 |
3.6 / 5 (165) |
1
String theory — the concept that all particles can be represented as strings or string-loops of incredibly minute length, oscillating at various frequencies — was initially developed to help explain why quarks, the tiny fundamental ...
