measurement span
81Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
82pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
83OPERA neutrino anomaly — The OPERA neutrino anomaly is the detection of apparently faster than light neutrinos by the OPERA experiment in September 2011. The detection is anomalous because speeds exceeding that of light in a vacuum are generally thought to violate… …
84Raymond Cattell — Infobox Person name = Raymond Cattell image size = 150px caption = Raymond Cattell birth name = birth date = 20 March, 1905 birth place = death date = 2 February, 1998 death place = death cause = resting place = resting place coordinates =… …
85Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …
86Temperature — This article is about the thermodynamic property. For other uses, see Temperature (disambiguation). A map of global long term monthly average surface air temperatures i …
87Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
88List of psychology topics — This page aims to list all topics related to psychology. This is so that those interested in the subject can monitor changes to the pages by clicking on Related changes in the sidebar. It is also to see the gaps in Wikipedia s coverage of the… …
89General intelligence factor — The general intelligence factor (abbreviated g ) is a controversial construct used in the field of psychology ( see also psychometrics ) to quantify what is common to the scores of all intelligence tests. Charles Spearman, early psychometrician,… …
90Sex and intelligence — research investigates differences in the distributions of cognitive skills between men and women. This research employs experimental tests of cognitive ability, which take a variety of forms. Research focuses on differences in individual skills… …
