deflection-influence line
41Newton's law of universal gravitation — Classical mechanics Newton s Second Law History of classical mechanics  …
42Arthur Stanley Eddington — Infobox Scientist name = Arthur Eddington image width = 247px caption = Arthur Stanley Eddington birth date = birth date|1882|12|28|df=y death date = death date and age|1944|11|22|1882|12|28|df=y birth place = Kendal, England death place =… …
43bend — I (New American Roget s College Thesaurus) n. curve, turn. v. i. give, yield; curve. v. t. control; shape. See softness, authority, curvature, obliquity. II (Roget s IV) n. Syn. crook, bow, arch; see curve 1 . v. 1. [To force out of a straight… …
44Printed circuit board — Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through hole paths to the other surface), and some mounted electrical components A printed circuit board, or PCB, is used to… …
45Criticism of relativity theory — Criticism of Albert Einstein s theory of relativity was mainly expressed in the early years after its publication on a scientific, pseudoscientific, philosophical, or ideological basis. Reasons for criticism were, for example, alternative… …
46SR Merchant Navy class — SR Merchant Navy class[1] Official Southern Railway photograph of 21C1 Channe …
47Plate tectonics — The tectonic plates of the world were mapped in the second half of the 20th century …
48Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …
49Anger — This article is about the emotion. For other uses, see Anger (disambiguation). Angry , Indignation , and Wrath redirect here. For other uses, see Angry (disambiguation), Indignation (disambiguation), and Wrath (disambiguation). Emotions Affection …
50SR Merchant Navy Class — Infobox Locomotive powertype=Steam name = SR Merchant Navy ClassHarvey] caption = Official Southern Railway photograph of 21C1 Channel Packet as built, 1941. designer = Oliver Bulleid builder = SR Eastleigh Works builddate = 1941 ndash;1949… …
