Film & media
Shooting Deep Night at Midday: Day for Night
Day for night is a filmmaking technique that makes scenes shot in daylight look like night. This article covers why filmmakers shoot night in the daytime, the four main ways to fak
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809 articles found
Economics
Raise the Tax Rate, Collect Less Tax: The Laffer Curve
The Laffer Curve is a hill-shaped graph showing that tax revenue is zero at both a 0% and a 100% tax rate, so some rate in between brings in the most. This article covers its napki
Logistics
A Buffer Against Stockouts: Safety Stock
Why do warehouses hold more inventory than they expect to sell? This article explains what safety stock is and how it relates to the reorder point, how to calculate it from the ser
Logistics
The Container Revolution in Modern Trade: How a Steel Box Changed the World
Every day, we consume goods that have traveled from all over the world. The coffee beans we brew in the morning, the smartphone in our hand, even the clothes we wear. How have all
Design
The Whole Is Different from the Sum of Its Parts: The Gestalt Principles of Perception
The Gestalt principles describe how the eye groups scattered visual elements by cues such as proximity, similarity and continuity and reads them as a whole. This piece covers their
Food & nutrition
Food Labels and Nutrition Facts: The Key to Healthy Choices
Food labels are tools that provide very important information when we choose foods. In modern society, healthy food choices can greatly influence our quality of life, and reading f
Statistics
Why Your Friends Have More Friends Than You: The Friendship Paradox
The friendship paradox is the phenomenon in which most people's friends have, on average, more friends than they do. This article explains why it happens with a simple calculation,
Chemistry
Environmental Pollution: Strategies and Responses to Protect Human Health and the Environment
Environmental problems involving chemicals are recognized as among the serious environmental problems worldwide. Various chemicals released by human activities pollute the air, wat
Education
Helping Children Grow on Their Own: Montessori Education
Montessori education sees children as born with the drive to learn and helps them grow by choosing activities and learning with their hands in a prepared environment. Learn how it
General knowledge
A Miracle Comes Once a Month: Littlewood’s Law
Littlewood’s Law is the rule of thumb that an event as rare as one in a million happens to an ordinary person about once a month. This article explains its origins with J. E. Littl
Tourism studies
The Appeal of the World's Tourist Destinations and Innovation Strategies
In modern society, tourism has a tremendous impact on national economies and has established itself as an important means of promoting international cultural exchange. Tourist dest
Library & information science
A Complete Guide to the Korean Decimal Classification (KDC): How Do Libraries Classify Books?
A handy reference to the Korean Decimal Classification (KDC, 6th edition) used in Korean public and school libraries: how main classes, divisions, sections, and subdivisions work,