See also:

• Science: Physics: Quantum Mechanics: Quantum Field Theory: Superstrings  (26)
• Science: Physics: Relativity  (428)

• Quantum Gravity   - A site maintained by Cambridge University on advances in quantum theories of gravity.

  Astronomy Today - Quantum Gravity - Astronomy Today - Article on Gamma Ray bursts which may reveal Quantum Gravity..

  Canonical Quantum Gravity - This is a summary of a talk delivered at the workshop, "Quantum gravity in the Southern Cone II"..

  Cause of gravity and an explanation of field dynamics - An intuitive contribution to the gravity debate..

  Classical and Quantum Gravity - A journal for physicists, mathematicians and cosmologists working in the fields of gravitation and the theory of spacetime. Abstracts full text editorials, and freely available featured articles..

  Cosmological applications of loop quantum gravity - After a brief introduction to classical and quantum gravity we discuss applications of loop quantum gravity in the cosmological realm. This includes the basic formalism and recent results of loop quantum cosmology..

  Discrete Approaches to Quantum Gravity - The construction of a consistent theory of quantum gravity is a problem in theoretical physics that has so far defied all attempts at resolution. Reviewed here are three major areas of research: gauge-theoretic approaches; quantum Regge calculus; and the method of dynamical triangulations..

  Gravitational Theory - Views on The Directional Gravity Theory..

  Gravity as an Effective Field Theory - This is a pedagogical introduction to the treatment of general relativity as a quantum effective field theory..

  How far are we from the quantum theory of gravity? - An assessment is offered of the progress that the major approaches to quantum gravity have made towards the goal of constructing a complete and satisfactory theory. The emphasis is on loop quantum gravity and string theory, although other approaches are discussed..

  How gravity works at microscopic scales - Discusses in simple terms the problem of constructing a quantum theory of gravity..

  An Introduction to Simplicial Gravity - Contains introductory material on quantum mechanics and relativity and outlines one method of combining the two theories..

  Knots and Quantum Gravity - The book "Knots and Quantum Gravity" is the proceedings of a conference held at U.C. Riverside on May 14-16th, 1993. It is now available for free in Postscript format..

  Loop Quantum Gravity - A general overview of ideas, results and open problems of loop quantum gravity..

  Loop quantum gravity induced modifications to particle dynamics - The construction of effective Hamiltonians arising from Loop Quantum Gravity and incorporating Planck scale corrections to the dynamics of photons and spin 1/2 particles is summarized..

  Matters of Gravity - An online journal with articles on advances in the theories of gravity..

  Max Planck Institute for Gravitational Physics - Institute established to pursue research in gravitational physics, especially general relativity and quantum gravity..

  A new road to the Quantum Gravity - This Web site explores the possibility that our universe is not an isolated system. From this hypothesis a quantum origin of the gravitation is obtained..

  Numerical Quantum Gravity - An overview of work being done in the field of quantum gravity..

  An Ode to Effective Lagrangian - A brief introduction is given to the methods of effective lagrangians. The emphasis is on a summary of the overall picture, using a simple model of quantum gravity..

  Perimeter Institute for Theoretical Physics - International focal point of cutting-edge research in foundational theoretical physics..

  Physics News Update - Quantum Gravitational States - Quantum gravitational states have been observed for the first time. An experiment with ultracold neutrons..

  PhysicsWeb - Neutrons reveal quantum effects of gravity. - PhysicsWeb, A resource for physicists, PhysicsWorld, Institute of Physics, Electronic Publishing, online products and services..

  Quantum Gravity - Quantum Gravity: A road map towards the Grand Unified Theory..

  Quantum Gravity - A brief explanation of the search for a quantum theory of gravity, including links to sites on topological field theories..

  Quantum Gravity and M-Theory - A review of modern approaches to quantum gravity..

  Quantum Relativity Theory of Everything - Preliminary look at a new approach to Relativity, Cosmology and the Quantum nature of the universe..

  Sir Isaac Newton: The Universal Law of Gravitation - Provides a simple introduction to the law for which Newton is best known..

  Spin Foam Models - A review of the spin foam formulation of quantum gravity..

  Strings, Loops and Others - This postscript file includes a review of the present theoretical attempts to understand the quantum properties of spacetime..

  Summary Report of the D2 Workshop - A review of material presented at 1998 conference on quantum cosmology..

  Throwing Einstein for a Loop - A summary of loop quantum gravity. Physicist Fotini Markopoulou Kalamara discusses the connection between relativity and quantum theory..