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  2. Theoretical physics - Wikipedia

    en.wikipedia.org/wiki/Theoretical_physics

    Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain, and predict natural phenomena. This is in contrast to experimental physics , which uses experimental tools to probe these phenomena.

  3. Experimental physics - Wikipedia

    en.wikipedia.org/wiki/Experimental_physics

    Experimental physics is the category of disciplines and sub-disciplines in the field of physics that are concerned with the observation of physical phenomena and experiments. Methods vary from discipline to discipline, from simple experiments and observations, such as Galileo's experiments , to more complicated ones, such as the Large Hadron ...

  4. Thought experiment - Wikipedia

    en.wikipedia.org/wiki/Thought_experiment

    In physics and other sciences many thought experiments date from the 19th and especially the 20th Century, but examples can be found at least as early as Galileo. In thought experiments, we gain new information by rearranging or reorganizing already known empirical data in a new way and drawing new (a priori) inferences from them, or by looking ...

  5. Branches of science - Wikipedia

    en.wikipedia.org/wiki/Branches_of_science

    Physics is one of the oldest academic disciplines, perhaps the oldest through its inclusion of astronomy. [ note 4 ] Over the last two millennia, physics was a part of natural philosophy along with chemistry , certain branches of mathematics , and biology , but during the Scientific Revolution in the 16th century, the natural sciences emerged ...

  6. Computational physics - Wikipedia

    en.wikipedia.org/wiki/Computational_physics

    There is a debate about the status of computation within the scientific method. [4] Sometimes it is regarded as more akin to theoretical physics; some others regard computer simulation as "computer experiments", [4] yet still others consider it an intermediate or different branch between theoretical and experimental physics, a third way that supplements theory and experiment.

  7. Branches of physics - Wikipedia

    en.wikipedia.org/wiki/Branches_of_physics

    Domains of major fields of physics. Branches of physics include classical mechanics; thermodynamics and statistical mechanics; electromagnetism and photonics; relativity; quantum mechanics, atomic physics, and molecular physics; optics and acoustics; condensed matter physics; high-energy particle physics and nuclear physics; cosmology; and interdisciplinary fields.

  8. Scientific theory - Wikipedia

    en.wikipedia.org/wiki/Scientific_theory

    In physics, the term theory is generally used for a mathematical framework—derived from a small set of basic postulates (usually symmetries—like equality of locations in space or in time, or identity of electrons, etc.)—that is capable of producing experimental predictions for a given category of physical systems.

  9. Glossary of physics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_physics

    theoretical physics A branch of physics that employs mathematical models and abstractions of physical objects and systems in order to rationalize, explain, and predict natural phenomena, as opposed to experimental physics, which relies on data generated by experimental observations. theory of everything (ToE) theory of relativity thermal conduction

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