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785 articles found
Journalism & communication
A filter bubble forms when the personalization algorithms of search engines and social media show us only the information we are likely to like, trapping us in a bubble of content
Psychology
The mere exposure effect is our tendency to like things more simply because we encounter them repeatedly. From Zajonc’s 1968 experiments and perceptual fluency to ads, music, and r
General knowledge
What does it mean to be “left-brained” or “right-brained”? This article explains how the two hemispheres divide their roles, explains their cooperation, and discusses the limits of
Physics
The Foucault Pendulum is a device that shows the Earth's rotation with your own eyes: a heavy bob on a very long wire whose plane of swing slowly turns relative to the ground. We l
Film & media
Chroma key is a video compositing technique that makes one color on screen transparent and layers another background in its place. This piece covers how it works, its history from
Library & information science
This time, we will explore the concepts of the Semantic Web, which is attracting attention as a next-generation web technology, and the related concept of ontology, as well as thei
Food & nutrition
Today's dining tables are more varied and delicious than ever. Crispy fried chicken, golden-brown grilled pork belly, and bread that is crisp outside and moist inside. But behind t
Education
Dual Coding Theory holds that the mind has separate verbal and nonverbal systems, and that linking words with pictures helps us understand better and remember longer. This piece co
Food & nutrition
Fresh rice turns hard in the fridge, and bread grows crumbly over days—because of starch retrogradation. This article explains gelatinization and retrogradation, the conditions tha
Statistics
The normal distribution plays a central role in statistics and data analysis. This article covers its basic concepts and characteristics, its mathematical definition and properties
Library & information science
Information foraging theory, developed by Peter Pirolli and Stuart Card at Xerox PARC, explains how people search for information the way animals hunt for food. This article covers
Social welfare
Social welfare policy is an important policy developed to protect socially vulnerable people, reduce social inequality, and improve the quality of life of all citizens. South Korea
