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810 articles found
General knowledge
This article will cover the basic things you should know when attending a job interview at a company, organization, or similar workplace. Since knowledge about writing personal sta
Library & information science
This time, on the subject of an important concept in cataloging within resource organization theory (information organization theory), authority, I would like to prepare some mater
Chemistry
Chemistry is transforming every aspect of our lives, and polymers in particular play a central role in a wide range of fields, from everyday life to advanced industries. Beyond sim
Psychology
Why do unfinished tasks linger in our minds longer than completed ones? This article explains the Zeigarnik Effect: its origins, how memory and psychological tension work together,
Robotics
Swarm robotics is the field of robotics that designs many simple robots to work together without a central leader, using only signals exchanged with nearby peers. This piece covers
Library & information science
A reference interview is the conversation in which a librarian refines a user’s first question and finds the information the person really needs. This article covers why it is need
Economics
The Producer Price Index (PPI) is an economic indicator and an important tool for measuring changes in the prices of goods and services that producers supply to the market. It does
Statistics
Berkson's Paradox is the phenomenon in which a false inverse relationship appears between two unrelated traits when you look only at a group filtered by some criterion. This piece
Earth science
An urban heat island is when a city runs warmer than the countryside around it. This piece covers Luke Howard’s early records in London, why pavement and buildings trap heat, how t
Library & information 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
Food & nutrition
Efficient meal planning is an important factor in maintaining health and improving physical fitness. In modern society, putting together a balanced diet amid busy schedules and cou
Robotics
How do robot arms and drones stop right at their target? This article covers the history of PID control starting with Minorsky, the roles of the proportional, integral and derivati
