contour gauge
11Coupling (railway) — Knuckle (AAR Type E ) couplers in use ICE coupler A c …
12Coupling (railway) by country — generally list the main national system and exclude minor narrow gauge or industrial lines of short length. Modern EMU or DMU passenger vehicles are also excluded. Current couplings are not necessarily the same as historic couplings. Contents 1… …
13Tide — This article is about tides in the Earth s oceans. For other uses, see Tide (disambiguation). Tidal redirects here. For other uses, see Tidal (disambiguation). High Tide redirects here. For other uses, see High Tide (disambiguation) …
14Path integral formulation — This article is about a formulation of quantum mechanics. For integrals along a path, also known as line or contour integrals, see line integral. The path integral formulation of quantum mechanics is a description of quantum theory which… …
15Path-ordering — In theoretical physics, path ordering is the procedure (or a meta operator {mathcal P}) of ordering a product of many operators according to the value of one chosen parameter::{mathcal P} left [O 1(sigma 1)O 2(sigma 2)dots O N(sigma N) ight] := O …
16American and British English spelling differences — Spelling differences redirects here. For other uses, see Category:Language comparison. For guidelines on dialects and spelling in the English language version of Wikipedia, see Wikipedia:Manual of Style#National varieties of English. Differences… …
17Chern–Simons theory — The Chern–Simons theory is a 3 dimensional topological quantum field theory of Schwarz type, introduced by Edward Witten. It is so named because its action is proportional to the integral of the Chern–Simons 3 form. In condensed matter physics,… …
18Chern-Simons theory — The Chern Simons theory is a 3 dimensional topological quantum field theory of Schwarz type, developed by Shiing Shen Chern and James Harris Simons. In condensed matter physics, Chern Simons theory describes the topological orderin fractional… …
19Metalworking hand tool — Metalworking hand tools are hand tools that are used in the metalworking field. Hand tools are powered solely by the operator. Contents 1 Slapper 2 Spoon 3 Dollies 4 Forming bags …
20India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
