Chemistry
The Reaction That Slowly Eats Away at Iron: Corrosion
Corrosion is the process by which a metal reacts chemically with its surroundings, loses its original properties, and breaks down. This piece covers how iron rusts, what happens wh
Articles to explore
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810 articles found
Tourism studies
The Concept of Sustainable Tourism and Ways to Sustain It
Sustainable tourism aims to have a positive impact on local communities and the environment while providing visitors with beneficial and enjoyable experiences. The rapid growth of
Design
Widen, Then Narrow, Twice Over: The Double Diamond
The Double Diamond is a model that draws the design process as two diamonds side by side. This article covers what the two diamonds mean, the Discover and Define phases, the Develo
Robotics
Drawing the Unknown on Its Own: Simultaneous Localization and Mapping (SLAM)
How does a robot with no map work out both its surroundings and its own position? This piece explains SLAM: the chicken-and-egg problem behind it, its roots in the 1986 IEEE roboti
Business administration
Where Should We Grow? The Ansoff Matrix
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
Library & information science
A Complete Guide to the Korean Decimal Classification (KDC): How Do Libraries Classify Books?
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,
Statistics
How Often Do Rare Events Happen: Poisson Distribution
Why do call-center phones arrive in uneven bursts even when the average is steady? This article walks through the Poisson distribution—from its single-parameter formula and conditi
Film & media
Key Secrets to Producing Polished Videos
Effective video production plays a very important role in modern digital marketing and content strategy. Simply picking up a camera and filming is not enough to create successful c
Tourism studies
Korea’s Leading Ecotourism Destinations and Sustainability
Ecotourism is an important form of tourism that protects the natural environment and ecosystems while revitalizing local economies. The role and importance of ecotourism in buildin
Robotics
The Secret to Walking Without Falling: The Zero Moment Point
The Zero Moment Point (ZMP) is the point under the feet where ground forces create no tipping moment, long used to judge whether a biped robot will fall. This piece covers the supp
Information technology
Cloud Computing: Understanding Its Concepts and Principles
Cloud computing is a concept that has become an essential technology in the modern IT industry. It allows businesses and individuals to easily access various computing resources ov
Earth science
An Invisible Lid Over the Sky: Temperature Inversion
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