Robotics
The Hand at the End of the Robot Arm: The End Effector
The end effector is the device at the tip of a robot arm that actually does the work. This article covers where it attaches, the types of grippers, process tools and sensors, how t
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Economics
The More You Save, the Poorer the Economy: The Paradox of Thrift
The paradox of thrift is the idea that saving, a virtue for an individual, can harm the economy as a whole when everyone does it at once. This article covers how the paradox works,
Library & information science
Why Are Prolific Authors So Rare? Lotka's Law of Scientific Productivity
Why do a small number of researchers write so many papers? This article covers the inverse square law Lotka identified in 1926, its uses in bibliometrics, and its limits, such as e
Food & nutrition
What Are the Functions of Carbohydrates, and How Do They Affect Weight Loss?
Carbohydrates are one of the indispensable nutrients in our daily diet and are a major source of energy. Carbohydrates are divided into simple and complex carbohydrates, each of wh
Physics
Innovative Technologies and Diverse Applications of Electromagnetism
Electromagnetism is a branch of physics that studies phenomena involving interactions between electrons and magnetic fields, providing a theoretical and experimental foundation for
Education
Understanding and Practicing Educational Administration: What Needs to Be Done for the Future of Education?
The educational environment in the 21 century is changing rapidly, and the role of educational administration has become more important than ever in keeping pace with these changes
Economics
The Pricier, the More Desirable: The Veblen Effect
Some goods sell better the more their prices rise. This article explains the Veblen effect, in which the desire to show off drives up demand, covering its meaning and origins, how
Economics
Does Destruction Revive the Economy? The Broken Window Fallacy
Can rebuilding after a disaster or war really make a society richer? This piece explains the broken window fallacy through Frédéric Bastiat’s 1850 parable of the seen and the unsee
Food & nutrition
When Nuttiness Turns Stale: Rancidity
Rancidity is the process in which the fats in food break down by reacting with oxygen, water, or enzymes, producing unpleasant smells and flavors and lowering quality. We look at i
Psychology
Overcoming Impostor Syndrome: How to Regain Your Confidence
In modern society, many people experience difficulty fully acknowledging their own success and feel as though their achievements were obtained through deception. This phenomenon is
Social welfare
Why Do We Need Community Welfare, and What Are Some Examples in Korea?
What community welfare is, why it matters, its three types (preventive, supportive, and developmental), and five examples of community welfare services from regions across Korea.
Information technology
Using Network Technology to Optimize Day-to-Day Operations
Network technology is at the heart of modern society's information and communications infrastructure and has become an indispensable part of the business environment. In a rapidly