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809 articles found
Social welfare
What if everyone received the same money every month, no questions asked? This article covers the origins of basic income from More and Paine, its five defining features, experimen
Logistics
An automated storage and retrieval system (AS/RS) is equipment in which machines, directed by a computer, store goods in assigned locations and retrieve them when needed. This arti
Design
Coined by industrial designer Raymond Loewy, the MAYA principle says a design should be as advanced as possible while staying within what people can accept. This article covers Loe
Business administration
This time, I would like to prepare material on the PDCA cycle for achieving goals and improving organizations. PDCA (plan–do–check–act) is a method for managing production, quality
Chemistry
Why does salted cabbage release its water overnight? This article covers what osmosis is, the three factors that drive it, everyday examples, and reverse osmosis, the technology th
Statistics
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
Psychology
Rationalization is a psychological defense mechanism that refers to the process by which people create logical explanations for their behavior or emotions. It is an attempt to just
Chemistry
Deliquescence is when a solid absorbs moisture from the air and then dissolves in the water it has absorbed. Learn how it differs from hygroscopy, the humidity at which solids begi
Film & media
A dolly zoom moves the camera while zooming the lens the opposite way, keeping a person the same size while the background stretches or swells. This piece covers its birth in Hitch
Earth science
A tsunami is a series of giant, very long waves created when a huge volume of seawater is displaced at once by an undersea earthquake, landslide, or volcanic eruption. This piece c
Physics
Polarization of light is the state in which light’s vibrations are lined up in one direction. This article covers how polarization works, including Malus’s law, the three ways ligh
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
