actual measurement
81Age of the universe — The age of the universe is the time elapsed between the theory of the Big Bang and the present day. Current observations suggest that this is about 13.73 billion years, with an uncertainty of about +/ 120 million years. The lowering of the… …
82Diffusion MRI — Diagnostics DTI Color Map MeSH D038524 Diffusion MRI is a mag …
83The Open Source Security Testing Methodology Manual — This Open Source Security Testing Methodology Manual ( [http://www.osstmm.org/ OSSTMM] ) provides a methodology for a thorough security test, now referred to as an OSSTMM audit. An OSSTMM audit is an accurate measurement of security at an… …
84Right to know — is the legal principle that the individual has the right to know the chemicals to which they may be exposed in their daily living. It is embodied in federal law in the United States as well as in local laws in several states. Right to Know laws… …
85Anger — 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 …
86Chain (length) — Unit of length name = chain m=20.1168 accuracy=6A chain is a unit of length; it measures 66 feet or 22 yards (20.1168m). There are 10 chains in a furlong, and 80 chains in one statute mile. An acre is the area of 10 square chains (that is, an… …
87ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like …
88Scientific Revolution — The period which many historians of science call the Scientific Revolution can be roughly dated as having begun in 1543, the year in which Nicolaus Copernicus published his De revolutionibus orbium coelestium (On the Revolutions of the Heavenly… …
89Gamma spectroscopy — The gamma ray spectrum of natural uranium, showing about a dozen discrete lines superimposed on a smooth continuum, allows the identification the nuclides 226Ra, 214Pb, and 214Bi of the uranium decay chain. Gamma ray spectroscopy is the… …
90Diabetes management — Main article: Diabetes mellitus Diabetes is a chronic disease with no cure as of 2010[update] but a lot of research is underway. It is associated with an impaired glucose cycle, altering metabolism. Management of this disease may include… …
