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810 articles found
Journalism & communication
Why do we pick the media we do? Uses and Gratifications Theory, systematized in the 1970s by Elihu Katz, Jay Blumler, and others, sees people not as passive receivers of messages b
Physics
Conservation of angular momentum means that when no outside force acts to change its rotation, the amount of rotation a spinning object has stays the same. This piece covers the co
Tourism studies
Staged authenticity is the idea that tourist destinations present a version of local life arranged to look genuine to visitors. This article covers the basic concept, the six stage
Physics
Semiconductor physics provides the core theoretical foundation of modern electronics. Semiconductors, with properties between those of conductors and insulators, carry current thro
Physics
Why do tiny particles in water never stop jiggling? This article explains Brownian motion, first observed by Robert Brown, the principle Einstein uncovered behind it, Perrin's expe
Economics
Moral hazard is the tendency to act more carelessly or boldly once risk has shifted to someone else. This article covers its meaning, how it differs from adverse selection, everyda
Social welfare
The National Pension system has firmly established itself as an important social security system that provides security in old age in modern society. It provides people with an eco
Statistics
Anscombe’s Quartet is a set of four datasets whose summary statistics are nearly identical but whose graphs look completely different. This piece covers how it came about, the trap
Logistics
First In, First Out (FIFO) is the inventory practice of shipping out goods in the order they arrived. We look at what FIFO means and why it matters, the related methods of First Ex
Business administration
Disruptive innovation is innovation that looks inferior at first but wins new customers with a cheaper, simpler alternative and gradually takes over the mainstream market. This art
Psychology
The framing effect is a cognitive bias in which logically identical options lead to different choices depending on whether they are described as gains or losses. This article cover
General knowledge
Hofstadter’s Law says that it always takes longer than you expect, even when you take the law into account. This piece covers its origin in Gödel, Escher, Bach, its recursive struc
