Einstein Online – Articles on a variety of aspects of relativistic physics for a general audience; hosted by the Max Planck Institute for Gravitational Physics GEO600 home page, the official website of the GEO600 project. LIGO Laboratory NCSA Spacetime Wrinkles – produced by the numerical relativity group at the NCSA, with an elementary introduction to general relativity '''''' (lecture by Leonard Susskind recorded 22 September 2008 at Stanford University). Series of lectures on General Relativity given in 2006 at the Institut Henri Poincaré (introductory/advanced). General Relativity Tutorials by John Baez.
Einstein Online – Articles on a variety of aspects of relativistic physics for a general audience; hosted by the Max Planck Institute for Gravitational Physics GEO600 home page the official website of the GEO600 project. LIGO Laboratory NCSA Spacetime Wrinkles – produced by the numerical relativity group at the NCSA with an elementary introduction to general relativity '''''' (lecture by Leonard Susskind recorded 22 September 2008 at Stanford University). Series of lectures on General Relativity given in 2006 at the Institut Henri Poincaré (introductory/advanced). General Relativity Tutorials by John Baez.