principle of work reciprocity
61Martin Nowak — Born 1965[1] Vienna, Au …
62Anarchist schools of thought — Part of the Politics series on Anarchism …
63Measurement microphone calibration — In order to take a scientific measurement with a microphone, its precise sensitivity must be known (in volts per Pascal). Since this may change over the lifetime of the device, it is necessary to regularly calibrate measurement microphones. This… …
64History of mathematics — A proof from Euclid s Elements, widely considered the most influential textbook of all time.[1] …
65Schengen Agreement — The term Schengen Agreement is used for two agreements concluded among European states in 1985 and 1990 which deal with the abolition of systematic border controls among the participating countries. By the Treaty of Amsterdam, the two agreements… …
66Moral psychology — is a field of study in both philosophy and psychology. Some use the term moral psychology relatively narrowly to refer to the study of moral development.[1] However, others tend to use the term more broadly to include any topics at the… …
67Charles Tupper — Not to be confused with Sir Charles Hibbert Tupper, son of Charles Tupper. The Right Honourable Sir Charles Tupper Bt, GCMG, CB, PC …
68Projective geometry — is a non metrical form of geometry, notable for its principle of duality. Projective geometry grew out of the principles of perspective art established during the Renaissance period, and was first systematically developed by Desargues in the 17th …
69Epicureanism — is a system of philosophy based upon the teachings of Epicurus ( c . 341 ndash; c . 270 BC), founded around 307 BC. Epicurus was an atomic materialist, following in the steps of Democritus. His materialism led him to a general attack on… …
70Hermeneutics — In religious studies and social philosophy, hermeneutics (English pronunciation: /hɜrməˈn(j)uːtɨks/) is the study of the theory and practice of interpretation. Traditional hermeneutics which includes Biblical hermeneutics refers to the study of… …
