Chemistry
A Different Color for Every Element: The Flame Test
A flame test identifies metal elements by the unique color of light they emit in a flame. This piece covers how the colors arise, Bunsen and Kirchhoff’s spectroscopy, fireworks, an
Articles to explore
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787 articles found
Business administration
The Power That Overturns From Below: Disruptive Innovation
Disruptive innovation is innovation that looks inferior at first but wins new customers with a cheaper, simpler alternative and gradually takes over the mainstream market. This art
Education
Why Is One-to-One Teaching So Powerful? Bloom’s 2 Sigma Problem
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
Business administration
What Are the Pareto Principle and the Long Tail Principle?
In this article, we will explore two principles that can be applied in various fields, including marketing in business administration, economics, and statistics: the Pareto princip
Film & media
The Secret of a Screen Recorded Line by Line: The Rolling Shutter
A rolling shutter records an image not all at once but line by line from top to bottom, which is why fast-moving objects and brief flashes can look strangely distorted. This articl
Information technology
How to Integrate and Develop with APIs
What an API (application programming interface) is, how Korean services such as Naver, Kakao, and the Public Data Portal use APIs, how to get an API key and connect to an API, and
Journalism & communication
A Persuasion Vaccine You Get in Advance: Inoculation Theory
Inoculation theory holds that people who meet weak counterarguments in advance and practice refuting them resist stronger persuasion later. This piece covers William J. McGuire’s 1
Social welfare
Moving Life Beyond the Institution: Deinstitutionalization
Deinstitutionalization is the process of reducing care centered on large institutions and rebuilding housing, care, and relationships so people can live ordinary lives in the commu
Design
Design That Shows You What to Do: Affordance
Affordance is the relationship in which an object’s physical and perceptual characteristics suggest what actions a user can take. This article covers its origins, perceived afforda
Psychology
The Psychology of Praise: The Hidden Power That Maximizes Its Effects
Praise is an essential element of human relationships and plays an important role in shaping individual self-esteem and social relationships. Praise means more than simple encourag
Statistics
Judging Individuals by the Average: The Ecological Fallacy
The ecological fallacy is the mistake of assuming that conclusions drawn from group-level data apply equally to each individual in the group. This article covers how the name arose
General knowledge
The Research Process in the Social Sciences (Procedures)
This time, I would like to put together material on the process through which research in the social sciences is conducted. Unlike natural science research, which studies matter th