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778 articles found
General knowledge
With advances in modern agricultural technology and the widespread use of protected cultivation (greenhouse growing), we live in an era when lettuce, cucumbers, and tomatoes are av
Design
Gradient design is an important design technique that creates visually appealing effects through subtle changes in color and tone. This technique can be used in various fields and
Psychology
The cocktail party effect is our ability to focus on one voice amid many overlapping sounds while still reacting to important information, such as our own name, in the sounds we ar
Physics
Why does an ambulance siren suddenly drop to a lower, drawn-out pitch the moment it passes you? This guide explains the Doppler effect, from its basic concept and working principle
Film & media
Bullet time is a visual effect in which time seems to slow down or stop while the camera keeps moving around the scene at normal speed. This article explains how it differs from sl
Education
Lifelong learning plays an important role in continuous personal development and adaptation to personal and societal changes. It enables individuals to acquire new knowledge and sk
Film & media
What effects does a long take, filming one scene at length without editing, create? This article covers what a long take is, Bazin's ideas, realism and tension, examples such as Ro
Information technology
How did the early internet keep working despite small differences between implementations? This article covers where Postel's Law (the Robustness Principle) came from, why it matte
Journalism & communication
People today live in an age of information overload, with information pouring indiscriminately through the media. This has brought the importance of media literacy to the forefront
Economics
The Producer Price Index (PPI) is an economic indicator and an important tool for measuring changes in the prices of goods and services that producers supply to the market. It does
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
Social welfare
South Korea operates the National Basic Livelihood Security System to ensure that all citizens can live with dignity. The National Basic Livelihood Security System is a social safe
