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793 articles found
Logistics
The vehicle routing problem asks how several vehicles starting from one depot should split up their customers to keep total cost as low as possible. This article covers its basic s
Economics
A Pigouvian tax charges an activity that harms others a tax equal to that harm, so market prices reflect the true social cost. Learn about externalities, how the tax corrects the m
Chemistry
A few drops of lemon juice make water sour, so why does the pH of blood stay the same? This article explains buffer solutions, whose pH barely changes even when acid or base is add
Statistics
Why do conclusions drawn only from what survived so often mislead us? This article explains survivorship bias: what it is and how it arises, the story of the World War II bombers,
Library & information science
This time, we will explore the concepts of primary (1st-order) and secondary (2nd-order) sources, which are commonly discussed in library and information science. These are among t
Film & media
Why does a slightly tilted frame make us uneasy? This article covers what the Dutch angle is, its roots in German Expressionism and the origin of its name, how film and TV have use
Psychology
The fundamental attribution error is the tendency to underestimate the situation and overestimate personality when explaining other people’s behavior. This piece covers Heider’s tw
Food & nutrition
Maintaining health amid the busy routines of modern society is very important. However, one area that many people overlook is their intake of essential nutrients. Essential nutrien
Business administration
The decoy effect is when a deliberately less attractive option makes another product look better. This piece explains asymmetric dominance from Huber, Payne and Puto’s 1982 study,
Statistics
In this session, I would like to prepare material on how to create a questionnaire and the precautions to take. Generally, a questionnaire is a set of questions that a researcher u
Economics
A monopoly market is a structure in which a particular company dominates the market and can control prices and production. It has various effects on the economy as a whole and has
Design
Graphic design goes beyond simply creating visually appealing images: it plays an important role in communicating clear, powerful messages and maximizing brand value. Today's desig
