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810 articles found
Earth science
Red waves that suddenly appear across a clear blue sea are more than a simple natural phenomenon: they are a red tide, which poses a major threat to marine ecosystems. Red tides ha
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
Business administration
Why does cannibalization, where a new product eats into an existing product's sales, happen? This article explains what it is and why it occurs, the cases of Apple, Kodak, and Netf
Design
In visual design, patterns are elements that play an important role by bringing form and meaning into harmony. Patterns go beyond merely repeating forms and serve an important func
Education
Scaffolding is a teaching strategy that gives learners temporary support for tasks they cannot yet do alone and gradually removes it as their abilities grow. This article covers it
Social welfare
Two people with the same income can lead very different lives. This article explains the capability approach of Amartya Sen and Martha Nussbaum, from functionings and capabilities
General knowledge
Chesterton’s Fence is the principle that you shouldn’t remove a rule or custom until you understand why it exists. This piece covers its origin in G. K. Chesterton’s 1929 essay, th
Physics
Cherenkov radiation is the cone of light given off when a charged particle moves through a material such as water or glass faster than light travels in that material. Learn how it
Statistics
Reliability and validity always come up when studying surveys in statistics, marketing, or opinion polling. This guide uses two illustrated examples, shooting and makeup, to make t
Earth science
A volcanic winter is a drop in global temperatures lasting several years after a huge, sulfur-rich eruption spreads tiny sulfuric acid droplets through the stratosphere and blocks
Library & information science
This time, I would like to prepare material on the information retrieval methods commonly used when searching through internet portals or looking for specialized resources. The ope
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
