String theory
Videos
In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. String theory describes how these str
A cross section of a quintic Calabi–Yau manifold
A magnet levitating above a high-temperature superconductor. Today some physicists are working to understand high-temperature superconductivity using the AdS/CFT correspondence.
A graph of the j-function in the complex plane
Leonard Susskind
Point particle
Videos
A point particle, ideal particle or point-like particle is an idealization used in physics. Its defining feature is negligible spatial extension or a body whose own rotation is irrelevant. A point par
String theory
…In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. String theory describes how these strings move through space and interact…
Scalar potential of a point charge shortly after exiting a dipole magnet, moving left to right.