Physics

Black Holes and Beyond Black Holes and Beyond- Part of the "Spacetime Wrinkles" exhibit published by the National Center for Supercomputing Applications: descriptions of what black holes are, how they m… Gravity's Relentless Pull Gravity's Relentless Pull- Information about black holes for a general audience, including virtual journeys and simulations, from the Space Telescope Science Institute (the people… Jillian's Guide to Black Holes Jillian's Guide to Black Holes- An informal introduction to the different types of black holes, to what happens outside and inside such objects, and to how they can be detected; s… Spanish Society of Gravitation and Relativity Spanish Society of Gravitation and Relativity- Includes information about membership, officers, conferences and about Spanish relativity groups. The International Light Cone Advisory Committee (ILCAC) The International Light Cone Advisory Committee (ILCAC)- Dedicated to efforts to solve quantum field theories by use of a special, relativity-based method known as light-cone quan… Apples with Apples Apples with Apples- Association of numerical relativity groups, with the aim of developing standards for comparing the groups' different simulation codes and the results obtained … LISA International Science Community LISA International Science Community- Community of scientists involved in doing research for and with the proposed space-borne gravitational wave detector LISA. Gravity Research Foundation Gravity Research Foundation- Foundation best known for its prestigious annual essay competition. Gravitational Physics Section of EAS and EPS Gravitational Physics Section of EAS and EPS- Section of the Joint Astrophysics Division of the European Astronomical Society and the European Physical Society Australasian Society for General Relativity and Gravitation Australasian Society for General Relativity and Gravitation- Includes a newsletter, information on events, and links to related research groups. Inertia Manipulation Through Metric Patching Inertia Manipulation Through Metric Patching- E-print which presents the exact solution for the stress-energy tensor of a spherical matter shell of finite thickness that will patc… Gravitomagnetic Effects Gravitomagnetic Effects- Introductory article by Gerhard Schäfer (Jena University) about the ways that rotating bodies affect spacetime (and hence the propagation of light and par… Solving Einstein's Equations in Three Dimensions Solving Einstein's Equations in Three Dimensions- Mathematica notebook showing how to plot light cones in two plus one spacetime dimensions with a point mass. By Patricia Schwarz. Are There Pictorial Examples of Covariant and Contravariant Vectors? Are There Pictorial Examples of Covariant and Contravariant Vectors?- Present pictorial means of distinguishing contravariant vectors (or simply vectors) from covariant vectors (o… Einstein's Theory of Relativity in New Physical Model Einstein's Theory of Relativity in New Physical Model- Essay explaining the postulates of relativity, the secret essence of time, spaces, and matter, and proposing the elimination… Theories in the Foundations of Physics Theories in the Foundations of Physics- Defining space and time in the literal way we experience it - via particles -, the author, Keith Maxwell Hardy, creates a quantum theory of… The General Science Journal The General Science Journal- Presents a variety of scientific papers by the site's author and others. Subjects include the grand unified theory, light propagation, a new formulati… Absolute Velocities Absolute Velocities- website on which the author (A. A. Faraj) works out the predictions of an emission theory of light. Expanding Matrix Theory Expanding Matrix Theory- A physics treatise presenting a new model of spatial dynamics, based on a little known interpretation of Einstein's equivalence principle and the fundamen… On New Concepts of Weight and Gravity and their Bearing on Relativity On New Concepts of Weight and Gravity and their Bearing on Relativity- Introduces a new concept of weight which distinguishes between self-weight and acquired weight and subsequen… Velocity of Light Velocity of Light- Thoughts by Dane Gacesa on the way that each macroscopic light source is made up of elementary light sources, on the selective sensitivity of detectors for ligh… Trans Dimensional Unified Field Theory Trans Dimensional Unified Field Theory- Based on simple multiplication of dimensional factors, this theory by George James Ducas is meant to unify relativity with quantum mechanic… Autodynamics Autodynamics- Webpages of the Society for the Advancement of Autodynamics, a theory that is meant to replace Einstein's theory of special relativity. Includes general material suc… New Alternative Gravity Theory New Alternative Gravity Theory- An alternative theory of gravity that is based on the equivalence principle. Developed by Unified Gravity Corporation, which is concerned with appr… The Imagineer’s Chronicles The Imagineer’s Chronicles- Blog about, among other things, alternative unified theories created using imagination and common sense. By "Imagineer" Jeff and friends. Basic doubts on relativity Basic doubts on relativity- Lays out the authors doubts about relativity, using light propagation scenarios, reference frames, and phenomena such as aberration. Faster Than Light versus Minkowski and Aristotle Space-Time Faster Than Light versus Minkowski and Aristotle Space-Time- Attempt to formulate special relativity using Aristotle space-time and interpreting the relativistic boost invariance … Derivation of gravitational waves in Einstein, Brans-Dicke and Rosen theories of gravity. Derivation of gravitational waves in Einstein, Brans-Dicke and Rosen theories of gravity.- Link to paper (PDF) with a weak-field derivation of gravitational waves to quadrupole or… Geometrical Structure of Nature Geometrical Structure of Nature- A theory of everything and a mathematical formulation of a philosophy, from the basis of physical reality to self-organization, consciousness, and… Newton Physics Newton Physics- Collection of articles and online books, by Paul Marmet; topics include the death of Big Bang cosmology, how classical mechanics can explain the effects commonly a… Gravitational Mirror Theory Gravitational Mirror Theory- Introducing a "universe much smaller than the big bang", in which the multitude of galaxies turns out to be an optical illusion; includes pages inviti… Yilmaz Refinement of Einstein Theory Yilmaz Refinement of Einstein Theory- Presents the mythology of modern astronomy, as well as the gravitational theory of Huseyin Yilmaz, which eliminates black holes, the big bang… Quantum Pulse Theory Quantum Pulse Theory- Introduces a new unit of energy which, together with a geometric construction for matter waves, is used to derive a quantized form of Einstein's relativistic… Proof of the Falsity of the Special Theory of Relativity Proof of the Falsity of the Special Theory of Relativity- Erik J. Lange's exposition of a mathematical proof of the falsity of a popular derivation of the Lorentz transformations. A Concept of Space and Time A Concept of Space and Time- Essay by Robert Brison about how what we perceive as time and space ("tise") evolved from a single quantized entity in nature ("tisons"). Briefly disc… Mass Theory and Triangle of Velocities Mass Theory and Triangle of Velocities- Elementary Concepts of Material World (the attempt to "explain fundamental laws of nature with use of precise and clear logic only") and cr… Anti-Relativity Anti-Relativity- Website presenting what the author claims to be experimental evidence against relativity, as well as more philosophical arguments and proposed explanations of the… From Paradox to Paradigm From Paradox to Paradigm- Alternative to relativity based on a dragged ether. Includes an exposition on the equivalence of magnetic and kinetic energy and the derivation of Planck… Euclidean Relativity Euclidean Relativity- Texts describing a particular Euclidean interpretation of special relativity, including a proposed geometric unification of electromagnetism and gravity (in … Einstein's Equivalence Postulate and Spacelike Waves Einstein's Equivalence Postulate and Spacelike Waves- Essay by James Constant arguing how Einstein's equivalence postulate should be abandoned for the study of spacelike wave phen… The Inertial Mass The Inertial Mass- Presents fragments of the book "The Inertial Mass" published in June 1998, authored by D. Acosta: "a model that is able to explain the mass in its inertial aspe… Millennium Relativity Millennium Relativity- Introduces a new theory in relativistic physics to replace Einstein's special and general theories of relativity. Also includes the Millennium Theory of Ine… Apparent Lack of Symmetry in Stellar Aberration and Euclidean Space Time Apparent Lack of Symmetry in Stellar Aberration and Euclidean Space Time- Critical examination of stellar aberration and its relativistic interpretation, followed by the author's … Relativity or Ether Theory with a new Propagation of Light Relativity or Ether Theory with a new Propagation of Light- A new analysis of the Michelson Experiment. Physics, Relativity, Gravitation and Cosmology: New Theories and Mathematical Formulations Physics, Relativity, Gravitation and Cosmology: New Theories and Mathematical Formulations- Presentation of a new mathematical formulation for both the Special and General Theorie… Warp Drive Today Warp Drive Today- Website explaining the physics of the Alcubierre Warp Drive, presented in a science-fiction-like format. Includes a discussion of problems and future prospects; … Extinction Shift Principle (c) Extinction Shift Principle (c)- Presents the principal axioms of the "extinction shift principle", a purely classical photon-gravity theory of emissions/re-emissions of electromag… Measuring Time and Other Spatio-Temporal Quantities Measuring Time and Other Spatio-Temporal Quantities- Introduces a "space-time odometer" that, using the cosmic microwave background radiation, measures both common sense time and … The Spacetime Phenomena The Spacetime Phenomena- Theory of gravity based on conclusions from the equivalence principle: The gravitational force is caused by the change of speed of spacetime structure, fa… Relativity and Gravitrons Relativity and Gravitrons- Short page claiming that it is the acceleration of energy within a particle that produces mass and consequently gravity; by Alfredo A. Barrera.