Theoretical physics attempts to understand the world by producing a model of reality, used for rationalizing, explaining, predicting physical phenomena by means of a “physical theory”. You will discover three sorts of theories in physics; mainstream theories, proposed theories and fringe theories.
Some physical theories are backed by observation, whereas others usually are not. A physical theory is actually a model of physical events and can’t be proved from basic axioms. A physical theory is distinctive from a mathemeatical theorem. Physical theories model reality and are a statement of what has been observed, and present predictions of new observations.
Physical theories can turn out to be accepted if they are able to make correct predictions and steer clear of incorrect ones. Physical theories that are simplier have a tendency to become accepted over theories which are complicated. Physical theories are much more most likely to become accepted if they connect a wide array of phenonomena. The method of testing a physical theory is a part of the scientific system.
Mainstream theories
Mainstream theories (in some cases refered to as central theories) will be the physique of understanding of both factual and scientific views and possess a usual scientific quqality of the tests of repeatability, consistency with current well-established science and experimentation.
Examples of mainstream physical theories:
Classical mechanics — Condensed matter physics — Dynamics (mechanics) — Electromagnetism — Field theory — Fluid mechanics — General relativity — Particle physics — Quantum mechanics — Quantum field theory — Solid state physics and the Electronic Structure of Materials — Special relativity — Standard Model — Statistical mechanics — Thermodynamics
Proposed theories
The proposed theories of physics are relatively new theories which deal with the study of physics which incorporate scientific approaches, indicates for determining the validity of models and new kinds of reasoning used to arrive in the theory. Proposed theories can include fringe theories inside the process of becoming established (and, from time to time, gaining wider acceptance). Proposed theories generally have not been tested.
Examples of proposed physical theories:
Dynamic theory of gravity — Creationism — Emergence — Grand unification theory — Loop quantum gravity — M-theory — Plasma Universe — String theory — Theory of everything
Fringe theories
Fringe theories incorporate any new region of scientific endeavor within the course of action of becoming established and a few proposed theories. It could include speculative sciences. This incorporates physics fields and physical theories presented in accordance with recognized proof, in addition to a body of connected predictions have been made based on that theory.
Some fringe theories go on to turn out to be an widely accepted part of physics. Other fringe theories wind up being disproven. Some fringe theories are a kind of protoscience and other people are a type of pseudoscience. The falsification from the original theory from time to time results in reformulation with the theory.
Examples of fringe physical theories:
Cold fusion — Dynamic theory of gravity — Grand unification theory — Loop quantum gravity — Luminiferous aether — Orgone energy — Reciprocal System of Theory — Steady state theory — Theory of everything
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