Business administration
How to Nearly Eliminate Defects: Six Sigma
Six Sigma is a management improvement method that uses data and statistics to find and remove the causes of defects and reduce variation in work processes. This article covers the
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Design
Modular Design: The Key to Efficiency and Consistency
Design does more than pursue visual beauty; it plays an important role in maximizing information communication and the user experience. In this process, the concept of a 'module' h
Physics
Lifting a Car with a Small Force: Pascal’s Principle
Pascal’s principle states that pressure applied to a confined fluid at rest is transmitted undiminished throughout the fluid. We look at how it was formulated, how hydraulic device
Economics
Getting Sick from a Flood of Money: Dutch Disease
Dutch Disease is the phenomenon in which a sudden boom in one sector, such as natural resources, causes other export industries like manufacturing and agriculture to decline. This
Robotics
Reducing Error on the Way to the Goal: Proportional-Integral-Derivative Control
How do robot arms and drones stop right at their target? This article covers the history of PID control starting with Minorsky, the roles of the proportional, integral and derivati
Statistics
The Number to Check Before the Evidence: The Base Rate Fallacy
The base rate fallacy is judging from vivid case details while ignoring how common an event usually is. This piece covers Kahneman and Tversky’s research, the cab problem, everyday
Food & nutrition
Why Leftover Rice Hardens: Starch Retrogradation
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
Psychology
The First Number Becomes the Benchmark: The Anchoring Effect
A “list price” makes a sale price feel cheap, and an opening offer steers a whole negotiation—because the first number we see becomes our benchmark. This article explains the ancho
Journalism & communication
A Persuasion Vaccine You Get in Advance: Inoculation Theory
Inoculation theory holds that people who meet weak counterarguments in advance and practice refuting them resist stronger persuasion later. This piece covers William J. McGuire’s 1
Education
Successful Childcare Strategies for Your Child’s Future
In modern society, childcare has become an important factor that goes beyond simply looking after children and has a significant influence on their growth and development. In parti
Library & information science
Types of Contracts for Library Acquisitions and Their Advantages and Disadvantages
This time, I would like to put together information on the types of contracts that library staff should know about when purchasing books from suppliers. This material also concerns
Psychology
Mirror of the Mind: The Psychology of Empathy
Empathy is an essential element in forming and maintaining relationships with others. Empathy goes beyond simple understanding: it is the ability to share another person's emotions