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785 articles found
Logistics
An automated storage and retrieval system (AS/RS) is equipment in which machines, directed by a computer, store goods in assigned locations and retrieve them when needed. This arti
Education
Proposed by educational psychologist David Ausubel, an advance organizer is a broad, general idea presented before new material so it can connect to what learners already know. Thi
Chemistry
Chemical bonds form through the interaction of atoms and electrons and determine the properties of matter. Explore the basic principles of chemical bonding and how ionic, covalent,
Information technology
Every website has a domain name, but what do the parts after the site name actually mean? This article explains what a domain name and DNS are, how a domain name is structured, and
Statistics
What the null and alternative hypotheses are, how to set them up for hypothesis testing, how significance level and statistical power shape the results, and three worked examples f
Robotics
Asimov’s Three Laws of Robotics are a set of prioritized rules: a robot must not harm humans, must obey human orders, and must protect itself. We look at how the laws were born, wh
Food & nutrition
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
If a coin lands heads five times in a row, will the next toss be tails? This article explains the gambler's fallacy, the belief that past results change what comes next, along with
Business administration
Why is it so hard to switch carriers, airlines, or software even when a cheaper option exists? This piece explains switching costs, the three types identified by Burnham, Frels, an
Tourism studies
When we travel, are we really free to see as we like? This article explains the tourist gaze described by John Urry, covering its meaning and origins, how media and photography sha
Journalism & communication
Four Theories of the Press (1956) sorted the world's press into authoritarian, libertarian, social responsibility, and Soviet communist theories. This article covers what each beli
Economics
The balance of payments (BOP) is a comprehensive statistical indicator that records all financial activities arising from a country's economic exchanges with other countries. This
