Physics

Santa at Nearly the Speed of Light Santa at Nearly the Speed of Light- An estimate of the speed and distances covered by Santa Claus on Christmas night. The physics is unassailable. The article is hosted on the Fer… Quaternions in University-Level Physics Considering Special Relativity Quaternions in University-Level Physics Considering Special Relativity- The quaternions are an expansion of complex numbers and show close relations to numerous physically fundame… Synchronization Gauges and the Principles of Special Relativity Synchronization Gauges and the Principles of Special Relativity- Synchronization functions set the mathematical clocks represented by the Lorentz transformation and resetting thes… University Lectures on Special Relativity University Lectures on Special Relativity- Lecture notes on Special Relativity, prepared by J. D. Cresser, Department of Physics, Macquarie University. 44 pages. How Do You Add Velocities in Special Relativity? How Do You Add Velocities in Special Relativity?- Here is the formula for adding velocities in special relativity when motion occurs in a single direction. Relativity Tutorial Relativity Tutorial- An introduction to relativity using space-time diagrams. Relativistic Contraction Relativistic Contraction- Relativists consider it a very important exercise to have students decide how to measure the length of a rapidly moving object. Special Relativity Lecture Notes Special Relativity Lecture Notes- A standard introduction to special relativity where explanations are based on pictures called spacetime diagrams. Wikipedia: Special Relativity Wikipedia: Special Relativity- Online encyclopedia article. Ricci Ricci- A Mathematica package for doing tensor calculations in differential geometry and general relativity. The Cactus Code The Cactus Code- A modular manageable high-performance 3D tool for Numerical Relativity. Whisky Whisky- A code to evolve the equations of hydrodynamics in curved spacetime (relativistic numerical hydrodynamics). Riemann Package for Maple Riemann Package for Maple- Package written in Maple for calculating tensor components in General Relativity and performing some abstract tensor manipulation; suitable for calculat… openGR openGR- An open framework for large numerical simulations in general relativity. LORENE (Langage Objet pour la RElativite NumeriquE) LORENE (Langage Objet pour la RElativite NumeriquE)- Provides a set of C++ classes to solve various problems arising in numerical relativity and other areas of computational astro… GRTensorII GRTensorII- A computer algebra package for performing differential geometry calculations. Demonstrations of the package's applications to general relativity. Form Symbolic Manipulation System Form Symbolic Manipulation System- A free software package for manipulating tensors (abstract index notation) and other multi-component objects; highly suitable for calculations i… CarpetCode CarpetCode- A mesh refinement driver for the Cactus code; the primary application is the simulation of black hole spacetimes. Max Planck Institute for Gravitational Physics (Albert Einstein Institute) Max Planck Institute for Gravitational Physics (Albert Einstein Institute)- Institute of the Max Planck Society, located in Potsdam and Hannover. Research topics are mathematical … Gravitational Physics Group, Vienna University Gravitational Physics Group, Vienna University- Includes information about the group's location and members. Research is in mathematical and numerical classical relativity. QMUL Relativity Group QMUL Relativity Group- Pages of the Cosmology, Gravitation and Relativity Group at Queen Mary, University of London, with information on the group's members, research and PhD proj… Relativistic Astrophysics Department at Sternberg Astronomical Institute Relativistic Astrophysics Department at Sternberg Astronomical Institute- Relativity group at Moscow State University. Pages give information on staff members, the group's history… Gravity Group at the University of Massachusetts, Dartmouth Gravity Group at the University of Massachusetts, Dartmouth- Group specializes in black hole physics and quantum cosmology; page gives list of group members and external links. TAPIR Group at Caltech TAPIR Group at Caltech- Theoretical AstroPhysics Including Relativity; includes information about group members, research topics and opportunities, seminars, and publications. Res… Gravity Theory Group at the University of Maryland Gravity Theory Group at the University of Maryland- Includes information about the group's members, the PhD program, seminars, and available positions. Research topics include the… Astrophysics and Relativity Group at the Racah Institute of Physics Astrophysics and Relativity Group at the Racah Institute of Physics- Relativity group at The Hebrew University of Jerusalem. Research interests include cosmology and general relat… Prague Relativity Group Prague Relativity Group- Contains a brief history of relativity in Prague, as well as information about members, seminars and publications. Gravitation and Cosmology Group, University of Barcelona Gravitation and Cosmology Group, University of Barcelona- Includes information about members, research, and open positions. Astrophysics & Relativity Theory at Cornell Astrophysics & Relativity Theory at Cornell- Contains illustrated list of members and information about research projects. Research focuses on black hole simulations, plasma astro… Ann Arbor Area Relativity Group Ann Arbor Area Relativity Group- Loose association of physicists from a variety of institutions in the Ann Arbor Area. Page contains list of participants, past talks, and links to… WFU Gravitation and Astroparticle Physics WFU Gravitation and Astroparticle Physics- Relativity and astrophysics group at Wake Forest University. Research interests include black holes, quantum field theory, and the early… UWM Center for Gravitation and Cosmology UWM Center for Gravitation and Cosmology- Relativity group at the University of Wisconsin, Milwaukee. Includes information on staff, events, collaborations and publications. Resea… University of Utah Relativity Group University of Utah Relativity Group- Includes a list of members as well as information about the group's seminars and publications. Research interests include quantum gravity, bla… UCSB Gravity Group UCSB Gravity Group- Gravitational Physics research at the University of California, Santa Barbara; includes information on group members and their research interests, as well as o… Tufts Institute of Cosmology Tufts Institute of Cosmology- Information about staff, collaborations, and job openings. Institute for Gravitational Research, University of Glasgow Institute for Gravitational Research, University of Glasgow- Research is focused on gravitational waves and their sources. Page includes information about group members, publicati… Institute of Cosmology and Gravitation, University of Portsmouth Institute of Cosmology and Gravitation, University of Portsmouth- Includes information about research areas and seminars, as well as a staff list. Research covers a wide range of … Department of General Relativity and Astrophysics at the Jagellonian University Department of General Relativity and Astrophysics at the Jagellonian University- Relativity group in Cracow, Poland; features information about the current members of the group. R… Gravitational Physics in Thessaloniki Gravitational Physics in Thessaloniki- Information about members, research interests and publications of the relativity group at the Aristotle University of Thessaloniki. Main res… Gravitation and Relativity Group, University of Cologne Gravitation and Relativity Group, University of Cologne- The group's main research interests are quantum gravity, black holes, cosmology, mathematical foundations of relativity, a… TUB Relativity and Quantum Group TUB Relativity and Quantum Group- Relativity group at the Technical University, Berlin, with information about the group's research, group members, seminars, and publications. Australian International Gravitational Research Centre Australian International Gravitational Research Centre- Information about the centre's research, which focuses on gravitational waves; also includes more general information about… General Relativity and Cosmology Group, Buenos Aires General Relativity and Cosmology Group, Buenos Aires- Information about the research activities, members and publications of the General Relativity and Cosmology Group at the Univ… General Relativity and Gravitation at FaMAF General Relativity and Gravitation at FaMAF- Information about members, publications and events from the relativity group at the Faculty of Mathematics, Astronomy and Physics of t… Relativity and Gravitation at the Universitat de les Illes Balears Relativity and Gravitation at the Universitat de les Illes Balears- Research group specializing in numerical relativity, the cosmology of inhomogeneous universes, and gravitationa… Pennsylvania State University: Institute for Gravitational Physics & Geometry Pennsylvania State University: Institute for Gravitational Physics & Geometry- Includes lists of staff, publications lists, visitor information and event announcements, as well as… Gravity Probe B at Stanford University Gravity Probe B at Stanford University- Research group devoted to a satellite experiment testing specific predictions of general relativity. Includes press information and outreac… Cambridge Relativity Group Cambridge Relativity Group- Features links to relevant conference announcements, brief descriptions of research areas, staff list and a publications index. Research interests incl… Wheeler, John Archibald (1911-) Wheeler, John Archibald (1911-)- Wikipedia article about the American physicist who was the driving force of the general relativity revival in the US in the 1950s and, among other… Thorne, Kip (1940-) Thorne, Kip (1940-)- Wikipedia article about the American theoretical physicist, who has made significant contributions to the physics of gravitational waves and black holes.