5 days ago ·

**Theoretical****physics**has historically taken inspiration from philosophy; electromagnetism was unified this way. Beyond the known universe, the field of**theoretical****physics**also deals with hypothetical issues, such as parallel universes, a multiverse, and higher dimensions. Theorists invoke these ideas in hopes of solving particular problems with ...1 day ago · In

**physics**, string theory is a**theoretical**framework in which the point-like particles of particle**physics**are replaced by one-dimensional objects called strings. String theory describes how these strings propagate through space and interact with each other. On distance scales larger than the string scale, a string looks just like an ordinary ...5 days ago · Richard Phillips Feynman (/ ˈ f aɪ n m ə n /; May 11, 1918 – February 15, 1988) was an American

**theoretical**physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the**physics**of the superfluidity of supercooled liquid helium, as well as his work in particle**physics**for which he proposed the parton model.People also ask

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Oct 08, 2021 · Course of

**Theoretical****Physics**. Important ten-volume textbook in**theoretical****physics**methods. Richard Feynman, Robert B. Leighton and Matthew Sands (1964). Feynman Lectures on**Physics**. Addison–Wesley. Bestselling three-volume textbook covering the span of**physics**. Reference for both (under)graduate student and professional researcher alike.5 days ago · Quantum mechanics is a fundamental theory in

**physics**that provides a description of the physical properties of nature at the scale of atoms and subatomic particles.: 1.1 It is the foundation of all quantum**physics**including quantum chemistry, quantum field theory, quantum technology, and quantum information science.