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- In optics, the refractive index (or refraction index) of an optical medium is a dimensionless number that gives the indication of the light bending ability...76 KB (8,490 words) - 17:49, 22 June 2024
- A halo (from Ancient Greek ἅλως (hálōs) 'threshing floor, disk') is an optical phenomenon produced by light (typically from the Sun or Moon) interacting...26 KB (3,061 words) - 16:38, 23 June 2024
- A point source is a single identifiable localised source of something. A point source has negligible extent, distinguishing it from other source geometries...7 KB (901 words) - 13:33, 17 March 2023
- In astrodynamics or celestial mechanics a parabolic trajectory is a Kepler orbit with the eccentricity equal to 1 and is an unbound orbit that is exactly...7 KB (1,090 words) - 14:52, 9 December 2023
- In theoretical physics, a quiver diagram is a graph representing the matter content of a gauge theory that describes D-branes on orbifolds. Quiver diagrams...3 KB (415 words) - 17:15, 27 July 2022
- The Bragg peak is a pronounced peak on the Bragg curve which plots the energy loss of ionizing radiation during its travel through matter. For protons...8 KB (845 words) - 16:35, 16 July 2024
- A jet is a stream of fluid that is projected into a surrounding medium, usually from some kind of a nozzle, aperture or orifice. Jets can travel long distances[quantify]...6 KB (636 words) - 15:55, 7 March 2024
- The following is a chronology of discoveries concerning the magnetosphere. 1600 - William Gilbert in London suggests the Earth is a giant magnet. 1741...7 KB (904 words) - 15:33, 6 November 2022
- For many paramagnetic materials, the magnetization of the material is directly proportional to an applied magnetic field, for sufficiently high temperatures...10 KB (1,693 words) - 16:45, 28 May 2024
- Neutron star spin up is the name given to the increase in rotational speed over time first noted in Cen X-3 and Her X-1 but now observed in other X-ray...2 KB (250 words) - 06:56, 13 March 2024
- In quantum field theory, Seiberg duality, conjectured by Nathan Seiberg in 1994, is an S-duality relating two different supersymmetric QCDs. The two theories...8 KB (944 words) - 01:42, 1 July 2024
- Bengt Georg Daniel Strömgren (21 January 1908 – 4 July 1987) was a Danish astronomer and astrophysicist. Bengt Strömgren was born in Gothenburg. His parents...10 KB (964 words) - 20:53, 12 October 2023
- Thermofluids is a branch of science and engineering encompassing four intersecting fields: Heat transfer Thermodynamics Fluid mechanics Combustion The...4 KB (396 words) - 01:48, 21 June 2021
- This is a list of scientific units named after people. For other lists of eponyms (names derived from people) see eponym. Note that by convention, the...8 KB (664 words) - 08:18, 13 October 2023
- David Henry Frisch (March 12, 1918 – May 23, 1991) was an American physicist who helped develop the atom bomb in World War II and later became active in...5 KB (393 words) - 12:13, 8 July 2024
- An acoustic waveguide is a physical structure for guiding sound waves, i.e., a waveguide used in acoustics. One example is a speaking tube used aboard...4 KB (602 words) - 17:47, 1 January 2024
- ASPERA (or AStroParticle European Research Area) is a network of national government agencies responsible for coordinating and funding national research...4 KB (348 words) - 05:54, 7 April 2024
- In thermodynamics, a mechanically isolated system is a system that is mechanically constrained to disallow deformations, so that it cannot perform any...1 KB (168 words) - 07:48, 27 June 2024
- Marcello Stefano Pirani (July 1, 1880 – January 11, 1968) was an Italian physicist known for his invention of the Pirani vacuum gauge, a vacuum gauge based...5 KB (676 words) - 15:21, 15 January 2024
- In electronics, cryoelectronics or cryolectronics is the study of superconductivity under cryogenic conditions and its applications. It is also described...3 KB (392 words) - 18:19, 20 October 2023