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810 articles found
Information technology
Wirth’s Law is the rule of thumb that software gets slower faster than hardware gets faster. This piece covers where it came from, why software keeps getting heavier, examples arou
Chemistry
Electrochemistry is the study of the interaction between chemistry and electricity, an important field that has a profound impact on our everyday lives. It plays a central role in
Earth science
Air pressure shapes our weather and is something we feel in everyday life. This article covers the basic concept of air pressure, the role and importance of atmospheric pressure, t
Business administration
The experience curve is the phenomenon in which the cost of making one unit falls by a fixed percentage every time cumulative production doubles. This piece covers its origins, fro
Business administration
In today's business environment, corporate sustainability is no longer optional but a necessity. Accordingly, ESG (environmental, social, and governance) management is emerging as
Film & media
In cinematography, lighting is one of the core elements, playing an important role in determining the quality and atmosphere of the imagery. Lighting can convey emotions and storie
Economics
The law of diminishing marginal utility describes how the extra satisfaction from getting one more of something keeps shrinking. We look at what marginal utility means, how the ide
Logistics
Inventory turnover shows how many times a business sells through and restocks its average inventory in a period. This article covers the concept, the formula with a worked example,
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
Economics
The Korean stock market is constantly changing in response to global economic trends and domestic political changes, and the pace and patterns of these changes are becoming increas
Library & information science
How do you find the studies that have cited a paper you are reading? This article explains how Eugene Garfield's citation index came about and what it is, how to search backward an
Library & information science
A handy reference to the Korean Decimal Classification (KDC, 6th edition) used in Korean public and school libraries: how main classes, divisions, sections, and subdivisions work,
