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794 articles found
Library & information science
Why are the papers on a subject concentrated in just a few journals? This article explains how Bradford's law came about, dividing journals into zones in the ratio 1 : n : n², its
Statistics
Regression analysis is an important tool in statistics and data science, widely used for data prediction and analysis across various industries and research fields. By modeling and
Tourism studies
The Grand Tour was the long educational journey around continental Europe that young English aristocrats took with a tutor from about 1660 to the 1840s. This piece covers the origi
Economics
The Big Mac Index compares the price of a Big Mac around the world to gauge whether a currency is overvalued or undervalued. This article covers how it began, the purchasing power
Library & information science
A library call number is the unique code on a book's spine that tells you where it sits and sets it apart from other items. This guide explains its parts: location marks, classific
General knowledge
References are an important element in academic research and paper writing, clearly indicating sources so that other researchers can verify and use our work. This article covers wh
Psychology
Depression is emerging as an important issue in society, and many people suffer from this condition. Depression is a serious illness that goes beyond a simple low mood, involves ps
Information technology
Compilers are essential to software development, playing the important role of converting source code written by programmers into a form that computers can understand. Compilers go
Robotics
How does a robot with no map work out both its surroundings and its own position? This piece explains SLAM: the chicken-and-egg problem behind it, its roots in the 1986 IEEE roboti
General knowledge
The car battery is one of a vehicle's key components, playing an important role in supplying power to start the engine, operate electronic devices, and run various electrical compo
Film & media
A dolly zoom moves the camera while zooming the lens the opposite way, keeping a person the same size while the background stretches or swells. This piece covers its birth in Hitch
Logistics
Modal shift means moving freight that used to travel mainly by truck onto modes that carry large volumes at once, such as rail and coastal shipping. This piece covers why it matter
