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810 articles found
Social welfare
The settlement house movement sent educated young people to live in poor neighborhoods alongside residents, combining education, everyday support, and social reform. We look at how
General knowledge
Occam’s Razor is the methodological guideline that, when several hypotheses explain the same phenomenon, we should favor the one that adds no unnecessary assumptions. This article
Library & information science
Faceted classification divides a subject into non-overlapping aspects and combines their symbols into one class number. This piece covers enumerative versus analytico-synthetic cla
Psychology
The peak-end rule is our tendency to judge a past experience mainly by its most intense moment and its final moment, rather than by its total or average. This article covers the cl
Design
In design, 'white space' is often readily regarded as a simple background or empty space. In reality, however, white space (margins) is an important element that brings out creativ
Social welfare
The Beveridge Report, published in Britain in 1942 during the Second World War, proposed rebuilding postwar welfare around flat-rate social insurance for every citizen. This piece
Physics
Polarization of light is the state in which light’s vibrations are lined up in one direction. This article covers how polarization works, including Malus’s law, the three ways ligh
Psychology
Self-efficacy is the belief that an individual can achieve a goal in a particular situation, and it has an important influence on the individual's behavior, emotions, and overall q
Food & nutrition
Rancidity is the process in which the fats in food break down by reacting with oxygen, water, or enzymes, producing unpleasant smells and flavors and lowering quality. We look at i
Physics
Semiconductor physics provides the core theoretical foundation of modern electronics. Semiconductors, with properties between those of conductors and insulators, carry current thro
Library & information science
A library call number is the unique code on a book's spine that tells you where it sits and sets it apart from other items. This guide explains its parts: location marks, classific
Food & nutrition
The smoke point is the temperature at which an oil or fat, when heated, begins to give off a continuous, visible bluish smoke. This article covers why oil smokes, what determines t
