position of constraint
51force — n 1 *power, energy, strength, might, puissance Analogous words: *stress, strain, pressure, tension: *speed, velocity, momentum, impetus, headway 2 Force, violence, compulsion, coercion, duress, constraint, restraint denote the exercise or the… …
52Matrix mechanics — Quantum mechanics Uncertainty principle …
53X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …
54Gauge fixing — Quantum field theory (Feynman diagram) …
55Mathematics of Sudoku — The class of Sudoku puzzles consists of a partially completed row column grid of cells partitioned into N regions each of size N cells, to be filled in using a prescribed set of N distinct symbols (typically the numbers {1, ..., N}), so that each …
56Writing style — is the manner in which a writer addresses a matter in prose, a manner which reveals the writer s personality, or voice. It is particularly evident in the choices the writer makes in syntactical structures, diction, and figures of thought. The… …
57Reductionism — Descartes held that non human animals could be reductively explained as automata De homine, 1662. Reductionism can mean either (a) an approach to understanding the nature of complex things by reducing them to the interactions of their parts, or… …
58Consonant harmony — Sound change and alternation Metathesis Quantitative metathesis …
59rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
60Photon — This article is about the elementary particle of light. For other uses, see Photon (disambiguation). Photon Photons emitted in a coherent beam from a laser Composition Elementary particle …
