Encyclopedia - String Physics: Encyclopedia Ii - String Physics - Types Of Strings
String physics - Closed and open strings. Strings can be either open or closed. A closed string is a string that has no end-points, and...   » Read the article

Encyclopedia - Brane Cosmology: Encyclopedia - Brane Cosmology
Brane cosmology is a protoscience motivated by, but not rigorously derived from, superstring theory and M-theory. The idea is to solve pr...   » Read the article

Encyclopedia - Tests Of General Relativity: Encyclopedia - Tests Of General Relativity
edit Einstein's general theory of relativity was introduced in 1915. Physicists accepted the theory because it correctly accounted for th...   » Read the article

Encyclopedia - Brian Greene: Encyclopedia - Brian Greene
Dr. Brian Greene (born February 9, 1963) is a physicist and one of the world's foremost string theorists. Since 2003 he has been a profes...   » Read the article

Encyclopedia - Ekpyrotic: Encyclopedia Ii - Ekpyrotic - Introduction
Brane cosmology assumes that the visible universe lies on a four-dimensional brane which moves in higher dimensional space. Our brane may...   » Read the article

Encyclopedia - Randall-sundrum Model: Encyclopedia Ii - Randall-sundrum Model - The Rs1 Model
The RS1 model attempts to address the hierarchy problem. The warping of the extra dimension is analogous to the warping of spacetime in t...   » Read the article

Encyclopedia - Tests Of General Relativity: Encyclopedia Ii - Tests Of General Relativity - Modern Tests
The modern era of testing general relativity was ushered in largely at the impetus of Dicke (1959, 1962) and Schiff (1960) who laid out a...   » Read the article

Encyclopedia - Randall-sundrum Model: Encyclopedia Ii - Randall-sundrum Model - The Rs1 Model
The RS1 model attempts to address the hierarchy problem. The warping of the extra dimension is analogous to the warping of spacetime in t...   » Read the article

Encyclopedia - Tests Of General Relativity: Encyclopedia Ii - Tests Of General Relativity - Strong Field Tests
Observations of binary pulsars have all demonstrated substantial periapsis precessions that cannot be accounted for classically but can b...   » Read the article

Encyclopedia - Ekpyrotic: Encyclopedia Ii - Ekpyrotic - Outstanding Problems
There are major outstanding problems with the ekpyrotic scenario. Foremost among them is that colliding branes are not understood by stri...   » Read the article

Encyclopedia - Tests Of General Relativity: Encyclopedia Ii - Tests Of General Relativity - Classical Tests
In his 1916 paper, Einstein proposed three famous tests of general relativity, now called the classical tests: the gravitational redshif...   » Read the article