Logistics
Not All Inventory Is Equal: ABC Analysis
ABC analysis divides inventory into three classes, A, B, and C, by annual usage value and manages each class with a different level of care. Learn how it emerged from Pareto and Ju
Articles to explore
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794 articles found
Journalism & communication
News Staged for the Camera: The Pseudo-Event
A pseudo-event is an event planned and staged so that it will be reported and widely publicized, rather than one that happens on its own. This article covers the concept introduced
General knowledge
The Brain’s Limit on Relationships: Dunbar’s Number
Why can contact lists grow while deep ties stay few? Dunbar’s Number says humans can sustainably keep only so many stable relationships—often about 150—layered as roughly 5, 15, 50
General knowledge
When the Number Becomes the Goal: Goodhart's Law
Why does a measure stop being a good measure once it becomes a target? This article explains the origin and logic of Goodhart's law, examples such as the cobra effect, and how to u
Business administration
An Analysis of Innovative Managers’ Success Strategies and Their Practical Application
Effective managers are key figures who play a pivotal role in ensuring a company’s success and sustainability. They draw on a wide range of capabilities and strategies to realize t
Design
If It Looks Good, It Feels Easy: The Aesthetic-Usability Effect
Why do people assume a prettier app is easier to use before they try it? This piece explains the aesthetic-usability effect through Kurosu and Kashimura’s 1995 ATM study, Tractinsk
Physics
The Secret Behind Curving Balls: The Magnus Effect
Why does a free kick bend and a curveball drop? This article covers Newton's tennis ball, Magnus's cylinder experiment, the pressure difference created by spin, its uses in sports
General knowledge
The Importance and Preventive Benefits of Regular Health Checkups
Regular health checkups have become an important means of maintaining personal health and improving quality of life in modern society. Through regular checkups, many people can det
Tourism studies
A Shop That Sells Without Taxes: The Duty-Free Shop
A duty-free shop sells goods to travelers leaving the country without customs duties or value-added tax. This article covers how duty-free shops began, why they can drop taxes, the
Design
We Remember Only About Seven Things: Miller's Law
Miller's Law, drawn from psychologist George A. Miller's 1956 paper “The Magical Number Seven, Plus or Minus Two,” describes the limited amount of information people can hold at on
Statistics
Just Moving People Raised Both Averages: The Will Rogers Phenomenon
The Will Rogers phenomenon is when moving some members from one group to another raises the averages of both groups. This article covers where the name came from and how it works,
Library & information science
Books Are for Use: The Five Laws of Library Science
The Five Laws of Library Science are five short principles, published by the Indian mathematician and librarian S. R. Ranganathan in 1931, that sum up whom and what a library exist