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776 articles found
Chemistry
An in-depth look at chromatography, an essential tool in chemical analysis: its basic principles and history, major techniques such as HPLC, GC, IC, SEC, and paper and thin-layer c
Social welfare
A conditional cash transfer gives money to poor households only if they meet set conditions, such as keeping children in school or getting regular health checkups. This article cov
Earth science
Why does a layer of air form that gets warmer, not colder, with height? This article explains how temperature inversions form and their types, their effects on fine dust, fog, and
Economics
South Korea's real estate market takes shape through the interaction of various factors in a complex, constantly changing environment. These changes result from a combination of fa
Chemistry
From the smartphone we check as soon as we open our eyes each morning to electric cars quietly passing along the street, laptops, and power banks, the daily lives of people today w
Business administration
The Ansoff Matrix splits “what to sell (products)” and “whom to sell to (markets)” into existing and new, showing four growth strategies a company can choose along with how risky e
Information technology
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
Statistics
The base rate fallacy is judging from vivid case details while ignoring how common an event usually is. This piece covers Kahneman and Tversky’s research, the cab problem, everyday
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
Robotics
A collaborative robot, or cobot, is a robot designed to share a workspace with people and to reduce its own force and speed when it comes close or makes contact, so no one gets hur
Library & information science
This time, I would like to put together material on budgets in public libraries. Public library budget preparation is the process of developing, analyzing, and finalizing plans for
Statistics
Standard deviation plays an important role in describing data variability and is an essential concept used in a wide range of practical situations. In data analysis and decision-ma
