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810 articles found
Film & media
OTT services let you watch video content on all kinds of devices. This article explains the concept of OTT, SVOD, and AVOD, the market share and rankings of major OTT services in K
Chemistry
Why don’t books on a shelf catch fire by themselves? Reactions must first climb an energy hill called activation energy. This piece covers the Arrhenius equation, why heat speeds r
Food & nutrition
In modern society, food plays an indispensable role in our daily lives. Various food additives that help maintain the taste and quality of food and allow it to be stored longer hav
Logistics
ABC analysis divides inventory into three classes, A, B, and C, by annual usage value and manages each class with a different level of care. Learn how it emerged from Pareto and Ju
Business administration
Effective managers are key figures who play a pivotal role in ensuring a company’s success and sustainability. They draw on a wide range of capabilities and strategies to realize t
Social welfare
Social welfare policy is an important policy developed to protect socially vulnerable people, reduce social inequality, and improve the quality of life of all citizens. South Korea
Psychology
Cognitive dissonance is the psychological discomfort that arises when contradictory beliefs, attitudes, or behaviors exist at the same time, together with the automatic process of
Education
Why did students tutored one-to-one outscore 98% of an ordinary class? This piece explains Bloom’s 2 sigma problem: the three teaching methods Bloom compared in 1984, what standard
Food & nutrition
Sous vide is a cooking method in which food is vacuum-sealed in a plastic bag and cooked slowly for a long time in water held at a precise temperature. This article covers how it c
Design
Nielsen’s usability heuristics are ten rules of thumb for judging whether a screen is easy and comfortable to use. This article covers how they came about, the ten principles, ever
Social welfare
Productive welfare is a new paradigm in social welfare that pursues individual self-reliance and social inclusion simultaneously, with sustainable development as its goal. As vario
Education
Transfer of learning is the way earlier knowledge or skills affect learning and problem solving in new situations. This piece covers the concept and its origins, the main types of
