path-length difference
41Circular dichroism — (CD) refers to the differential absorption of left and right circularly polarized light.[1][2] This phenomenon was discovered by Jean Baptiste Biot, Augustin Fresnel, and Aimé Cotton in the first half of the 19th century.[3] It is exhibited in… …
42Nuclear structure — Physics portal This page is an adapted translation of the corresponding fr:Structure nucléaire As will be noted, there remain void paragraphs, as on the original (which provides no sources). Competent Wikipedians are welcom …
43Sinuosity — Sinuous redirects here. For the fictional snake from the animated children s television series The Animals of Farthing Wood, see Sinuous (Farthing Wood). Calculation of sinuosity for an oscillating curve. Sinuosity or sinuosity index is a measure …
44Enhanced Interior Gateway Routing Protocol — (EIGRP) is a Cisco proprietary routing protocol loosely based on their original IGRP. EIGRP is an advanced distance vector routing protocol, with optimizations to minimize both the routing instability incurred after topology changes, as well as… …
45Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
46Comparison of programming paradigms — Programming paradigms Agent oriented Automata based Component based Flow based Pipelined Concatenative Concurrent computin …
47Work (physics) — Classical mechanics Newton s Second Law History of classical mechanics  …
48Social network — For other uses, see Social network (disambiguation). Sociology …
49Ghosting (television) — In television, a ghost is an unwanted image on the screen, appearing superimposed on the desired image. In a more specific sense, a ghost is a replica of the desired image appearing fainter and offset in position with respect to the primary image …
50tornado — tornadic /tawr nad ik, nay dik/, adj. tornadolike, adj. /tawr nay doh/, n., pl. tornadoes, tornados. 1. a localized, violently destructive windstorm occurring over land, esp. in the Middle West, and characterized by a long, funnel shaped cloud… …
