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810 articles found
Library & information science
The h-index folds the number of papers and the number of citations into a single figure. This article covers how to calculate it, what it measures and its strengths, its limits acr
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
Library & information science
The smartphones we use contain thousands, even tens of thousands, of files and apps. What would happen if photos, documents, and music files were all mixed together on a single scr
Economics
Gross domestic product (GDP) is one of the most important indicators in modern economics, used to measure the size and growth of a country's economy. By capturing the sum of a coun
Journalism & communication
Why does a friend’s recommendation often sway us more than an ad? This article explains Lazarsfeld’s two-step flow theory—how media messages reach opinion leaders first and then sp
Logistics
Returns, recalls, reusable crates, and recycling all flow in the opposite direction from ordinary shipping. This piece explains what reverse logistics covers, the collection–inspec
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
Psychology
Rapid technological advances and dramatic social changes in modern society are presenting many people with new challenges and considerable stress. These changes affect not only wor
Chemistry
Corrosion is the process by which a metal reacts chemically with its surroundings, loses its original properties, and breaks down. This piece covers how iron rusts, what happens wh
Social welfare
In modern society, mental health welfare has become an essential support system. As stress and anxiety increase alongside a rapidly changing social environment, mental health issue
Business administration
This time, I would like to put together material on marketing 4C, a marketing concept in business administration. The existing marketing mix, known as 4P, had the traditional 4 sta
Physics
The universe is so vast that its limits are impossible to fathom, and countless mysteries lie hidden within it. Humanity has pursued research tirelessly over a long period to uncov
