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807 articles found
Information technology
Wirth’s Law is the rule of thumb that software gets slower faster than hardware gets faster. This piece covers where it came from, why software keeps getting heavier, examples arou
Logistics
When dealing with international trade or shopping directly from overseas, you often encounter three-letter English abbreviations such as FOB, CIF, and DDP. These are Incoterms (Int
Journalism & communication
Fake news has emerged as a serious problem in modern society. Amid a flood of information, distinguishing truth from falsehood is becoming increasingly difficult, and this is causi
Library & information science
Why do a handful of words appear on every page while most words show up only once or twice? This article covers how Zipf's Law became known, the inverse relationship between rank a
Physics
Why does a drop of water skate across a very hot pan and last longer than on a merely warm one? This article explains the Leidenfrost effect, from the vapor cushion that lifts the
Education
Even when learners study the same materials for the same amount of time, their results differ markedly. In the past, academics often dismissed these differences as simply a matter
Social welfare
Empowerment is the process by which individuals and groups build the power to take part in and control the decisions that affect their lives. This guide explains its origins and co
Food & nutrition
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
Library & information science
Information foraging theory, developed by Peter Pirolli and Stuart Card at Xerox PARC, explains how people search for information the way animals hunt for food. This article covers
Psychology
The McGurk effect is an illusion in which a mismatch between the sound you hear and the lip movements you see makes you hear a sound that was never actually spoken. This article co
Tourism studies
Volunteer tourism is travel in which tourists spend part or all of their trip volunteering to help local communities or nature. We look at how it began, its main types, what travel
Psychology
The self (ego) is one of the most important concepts in human psychology and a key element in understanding an individual's identity and self-awareness. The self (ego) goes beyond
