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Vor 8 Stunden · Special relativity can be combined with quantum mechanics to form relativistic quantum mechanics and quantum electrodynamics. How general relativity and quantum mechanics can be unified is one of the unsolved problems in physics ; quantum gravity and a " theory of everything ", which require a unification including general relativity too, are active and ongoing areas in theoretical research.
Vor 8 Stunden · In quantum mechanics, the angular momentum operator is one of several related operators analogous to classical angular momentum. The angular momentum operator plays a central role in the theory of atomic and molecular physics and other quantum problems involving rotational symmetry. Such an operator is applied to a mathematical representation ...
Vor 8 Stunden · Metaphysics is the branch of philosophy that examines the fundamental structure of reality. It is often characterized as first philosophy, implying that it is more basic than other forms of philosophical inquiry. Metaphysics is traditionally seen as the study of mind-independent features of reality, but some modern theorists understand it as an ...
Vor 8 Stunden · Non-physical theories hold that the events in the brain that lead to the performance of actions do not have an entirely physical explanation, which requires that the world is not closed under physics. This includes interactionist dualism, which claims that some non-physical mind, will, or soul overrides physical causality. Physical determinism ...
Vor 8 Stunden · The theory of the modern prison system was born in London, influenced by the utilitarianism of Jeremy Bentham. Bentham's panopticon introduced the principle of observation and control that underpins the design of the modern prison. The notion of prisoners being incarcerated as part of their punishment and not simply as a holding state until ...
