You are browsing the English interface. Articles without a published translation are clearly marked and open in Korean.
810 articles found
Information technology
The Internet of Things connects everyday objects to the internet so they can collect and share data. This article looks at what IoT is, the key technologies behind it, the fields w
Tourism studies
Tourism carrying capacity is the maximum number of visitors a place can receive without seriously harming its environment, residents, or the visitor experience. This piece covers i
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
Torrential rain is a phenomenon in which a large amount of precipitation falls over a short period. Because it can cause property damage and loss of life, understanding its causes
Statistics
Probability sampling randomly selects cases so that every member of a population has a known probability greater than zero of being chosen for the sample; these probabilities need
Economics
What happens if you keep pouring wine into the topmost glass in a tower of stacked wine glasses? Once the upper glass fills up, the overflowing wine naturally flows down into the g
Library & information science
A reference interview is the conversation in which a librarian refines a user’s first question and finds the information the person really needs. This article covers why it is need
Logistics
When you step into a logistics warehouse, the first thing that catches your eye is not the countless stacks of boxes. It is the rectangular platform firmly supporting those boxes,
Robotics
Teleoperation lets a person control a distant machine directly, sending their hands and eyes where people cannot safely go. This article covers its origins in 1940s–50s nuclear lab
Design
Why do sites we use for the first time still feel easy? This article explains the origin of Jakob's law as stated by Jakob Nielsen, the principles of mental models and conventions,
Physics
Why does a swing go higher and higher when you push it in rhythm? This article explains what resonance and natural frequency mean, how the swaying grows, its uses in musical instru
Earth science
Clouds are a familiar sight, yet few people understand how they form, what kinds there are, and what each one tells us. This article explains the principles of cloud formation, the
