• In mathematics, and especially in order theory, a nucleus is a function F {\displaystyle F} on a meet-semilattice A {\displaystyle {\mathfrak {A}}} such...
    1 KB (181 words) - 20:21, 25 July 2025
  • boot loader Nucleus (algebra), the elements of a ring that associate with all others Nucleus (order theory), a mathematical term Nucleus (syllable), in...
    3 KB (368 words) - 20:10, 2 October 2024
  • Thumbnail for Polyvagal theory
    branch of the vagus nerve originates in the dorsal motor nucleus and is postulated by polyvagal theory to be the phylogenetically older branch. This branch...
    31 KB (3,622 words) - 20:27, 23 June 2025
  • Thumbnail for History of atomic theory
    Atomic theory is the scientific theory that matter is composed of particles called atoms. The definition of the word "atom" has changed over the years...
    79 KB (10,144 words) - 02:33, 28 July 2025
  • Thumbnail for Discovery of the neutron
    mechanics. While Heisenberg's theory for protons and neutrons in the nucleus was a "major step toward understanding the nucleus as a quantum mechanical system"...
    76 KB (8,796 words) - 19:26, 13 July 2025
  • Thumbnail for Atom
    Atom (redirect from Atom and Atomic Theory)
    elements and the fundamental building blocks of matter. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically...
    126 KB (12,982 words) - 00:39, 17 July 2025
  • Thumbnail for Cell nucleus
    The cell nucleus (from Latin nucleus or nuculeus 'kernel, seed'; pl.: nuclei) is a membrane-bound organelle found in eukaryotic cells. Eukaryotic cells...
    88 KB (10,011 words) - 23:05, 23 June 2025
  • Thumbnail for Lateral geniculate nucleus
    In neuroanatomy, the lateral geniculate nucleus (LGN; also called the lateral geniculate body or lateral geniculate complex) is a structure in the thalamus...
    25 KB (3,023 words) - 07:36, 11 November 2024
  • Thumbnail for Bohr model
    by the quantum atomic model in the 1920s. It consists of a small, dense nucleus surrounded by orbiting electrons. It is analogous to the structure of the...
    74 KB (10,217 words) - 15:09, 25 July 2025
  • Thumbnail for BCS theory
    in an atomic nucleus. It was proposed by Bardeen, Cooper, and Schrieffer in 1957; they received the Nobel Prize in Physics for this theory in 1972. Rapid...
    21 KB (2,816 words) - 07:25, 21 July 2025
  • In chemistry, molecular orbital theory (MO theory or MOT) is a method for describing the electronic structure of molecules using quantum mechanics. It...
    28 KB (3,710 words) - 11:02, 31 May 2025
  • Thumbnail for Nucleus accumbens
    The nucleus accumbens (NAc or NAcc; also known as the accumbens nucleus, or formerly as the nucleus accumbens septi, Latin for 'nucleus adjacent to the...
    80 KB (9,803 words) - 17:40, 17 July 2025
  • Thumbnail for Symbiogenesis
    theory, or serial endosymbiotic theory) is the leading evolutionary theory of the origin of eukaryotic cells from prokaryotic organisms. The theory holds...
    70 KB (7,545 words) - 18:47, 23 May 2025
  • Thumbnail for Energy level
    as the orbit of one or more electrons around an atom's nucleus. The closest shell to the nucleus is called the "1 shell" (also called "K shell"), followed...
    23 KB (2,871 words) - 17:36, 27 July 2025
  • nothing. The probability that a given nucleus goes forward is Z {\displaystyle Z} . Taking into consideration kinetic theory and assuming that there is the same...
    29 KB (4,711 words) - 03:08, 1 June 2025
  • Density functional theory (DFT) is a computational quantum mechanical modelling method used in physics, chemistry and materials science to investigate...
    80 KB (10,626 words) - 17:26, 23 June 2025
  • Thumbnail for Cell (biology)
    discrete nucleus, usually with additional genetic material in some organelles like mitochondria and chloroplasts (see endosymbiotic theory). A human...
    59 KB (6,135 words) - 14:38, 28 July 2025
  • Thumbnail for Nuclear force
    at the time. Heisenberg's theory for protons and neutrons in the nucleus was a "major step toward understanding the nucleus as a quantum mechanical system"...
    29 KB (3,510 words) - 01:59, 12 July 2025
  • nucleus. For ordinary nuclei composed of protons and neutrons, this is equal to the proton number (np) or the number of protons found in the nucleus of...
    21 KB (2,619 words) - 12:10, 5 June 2025
  • A scientific theory is an explanation of an aspect of the natural world that can be or that has been repeatedly tested and has corroborating evidence in...
    54 KB (6,868 words) - 16:42, 18 July 2025
  • Thumbnail for Galois connection
    Galois connection (category Order theory)
    In mathematics, especially in order theory, a Galois connection is a particular correspondence (typically) between two partially ordered sets (posets)...
    35 KB (4,176 words) - 18:13, 2 July 2025
  • Thumbnail for Hydrogen atom
    single positively charged proton in the nucleus, and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes...
    39 KB (6,029 words) - 16:45, 25 July 2025
  • Thumbnail for Nuclear structure
    structure of the atomic nucleus is one of the central challenges in nuclear physics. The cluster model describes the nucleus as a molecule-like collection...
    34 KB (4,624 words) - 03:35, 15 June 2025
  • Thumbnail for George Gamow
    group. Upon graduation, he worked on quantum theory in Göttingen, where his research into the atomic nucleus provided the basis for his doctorate. He then...
    43 KB (5,072 words) - 09:56, 24 June 2025
  • Thumbnail for Nucleation
    shrink back to nothing. This nucleus of the red phase then grows and converts the system to this phase. The standard theory that describes this behaviour...
    26 KB (3,205 words) - 13:47, 9 June 2025
  • Syllable (redirect from Syllable nucleus)
    (with both a branching nucleus and rime) or VCC syllables (with a coda consisting of two or more consonants) or both. In moraic theory, heavy syllables are...
    48 KB (5,827 words) - 18:37, 26 July 2025
  • gradient (EFG) measures the rate of change of the electric field at an atomic nucleus generated by the electronic charge distribution and the other nuclei. The...
    5 KB (721 words) - 17:31, 26 January 2025
  • Thumbnail for Atomic orbital
    around the atom's nucleus, and can be used to calculate the probability of finding an electron in a specific region around the nucleus. Each orbital in...
    84 KB (10,940 words) - 15:49, 28 July 2025
  • Thumbnail for Curiosity
    unfamiliar, compared to activation of dopamine when stimulus is familiar. The nucleus accumbens is a formation of neurons that is important in reward pathway...
    42 KB (4,921 words) - 16:26, 23 May 2025
  • Thumbnail for Evolution
    Darwin's pangenesis theory to Weismann's germ/soma cell distinction and proposed that Darwin's pangenes were concentrated in the cell nucleus and when expressed...
    240 KB (25,077 words) - 19:51, 18 July 2025