Physics
When a Small Force Becomes a Big Sway: Resonance
Why does a swing go higher and higher when you push it in rhythm? This article explains what resonance and natural frequency mean, how the swaying grows, its uses in musical instru
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789 articles found
Earth science
The Underground Ember That Stamps Out a Line of Islands: The Hotspot
A hotspot is a place where unusually hot mantle feeds magma to volcanoes regardless of plate boundaries. This article covers how the idea arose, how volcanic island chains form, Ea
Economics
Interest Rate Hikes: Changes in the Economic Landscape and Response Strategies
There is growing attention to the effects of interest rate hikes on the South Korean economy. A central bank's decision to raise interest rates can bring significant changes for co
Statistics
Judging Individuals by the Average: The Ecological Fallacy
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
Business administration
Marketing Strategies Through the Lens of the Product Life Cycle
This time, I would like to prepare material on the product life cycle, which describes a product's life from its launch through growth and decline. Understanding it can help busine
Tourism studies
It Starts and Ends at Home: Leiper’s Tourism System
Leiper’s Tourism System views tourism as one connected system of tourists, the region they leave, the route they travel, the destination they stay in, and the tourism industry. Lea
Education
Why Is One-to-One Teaching So Powerful? Bloom’s 2 Sigma Problem
Why did students tutored one-to-one outscore 98% of an ordinary class? This piece explains Bloom’s 2 sigma problem: the three teaching methods Bloom compared in 1984, what standard
Tourism studies
A Trip with Everything Arranged: The Package Tour
A package tour bundles transportation, accommodation, meals, and an itinerary into one product sold at a single price. This article traces its origins in Thomas Cook's 1841 train e
Social welfare
Changes in the Older Population and the Need for Elderly Welfare
The growth of the older population is a prominent phenomenon worldwide, resulting from various factors such as improvements in quality of life, increased life expectancy, and advan
Psychology
Human Defense Mechanisms (Defensive Psychology) - Psychoanalysis
An overview of 12 defense mechanisms from Freud's psychoanalysis, grouped into avoidance, anxiety-relief, and satisfaction types, with a short explanation of each.
Information technology
Less Power as They Shrank: Dennard Scaling
Dennard scaling is the semiconductor scaling rule that if transistors are made smaller while voltage is lowered by the same ratio, the power used by a given area of a chip stays th
Education
Using Various Learning Theories for Effective Education
Learning theories are an important element that forms the foundation of education as a field of study, aiming to explain human learning processes and thereby propose effective teac