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772 articles found
Library & information science
Why do a handful of words appear on every page while most words show up only once or twice? This article covers how Zipf's Law became known, the inverse relationship between rank a
Information technology
In modern society, robotics is advancing rapidly, and its role is becoming increasingly important. Although it initially remained at the level of performing simple mechanical movem
Food & nutrition
Dieting is considered an important issue for many people today, and various methods have been proposed for losing weight and maintaining health. However, improper dieting methods n
Design
Isotype is a method of showing statistics with rows of identical picture symbols, created in 1920s Vienna by Otto Neurath and his team. This article covers the Social and Economic
Education
A growth mindset is the belief that intelligence and talent can grow through effort, good strategies and help from others. We look at how it differs from a fixed mindset, the prais
Social welfare
The Elizabethan Poor Law was a 1601 English law that made each parish collect a tax to support its poor instead of leaving relief to church charity alone. Learn why it was created,
Earth science
Isostasy is the idea that the crust floats on the denser mantle and balances at a height set by its thickness and density. This piece covers how the theory arose, the Airy and Prat
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
Information technology
Kerckhoffs's Principle holds that a cryptographic system should stay secure even if everything except the key is known. This piece covers Auguste Kerckhoffs's 1883 “La Cryptographi
Business administration
An introduction to the blue ocean and red ocean, two basic concepts for understanding market environments, plus the purple ocean that combines them, explained through examples from
General knowledge
Hofstadter’s Law says that it always takes longer than you expect, even when you take the law into account. This piece covers its origin in Gödel, Escher, Bach, its recursive struc
General knowledge
References are an important element in academic research and paper writing, clearly indicating sources so that other researchers can verify and use our work. This article covers wh
