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810 articles found
Logistics
The lithium batteries in the smartphones we use every day, the gasoline we put in our cars, the sprays we use to repel mosquitoes in summer, and even the disinfectants used to prod
Robotics
What determines how a robot can move? This article explains degrees of freedom, covering what the term means, how six-axis industrial robot arms work, the degrees of freedom of the
Physics
Black holes are among the most mysterious objects in the universe. This article looks at how they form, from dying massive stars to the first stars after the Big Bang, traces the h
Tourism studies
Cultural tourism interpreters play an important role in helping people understand and enjoy tourist destinations and cultural heritage more deeply. By providing visitors with exten
Journalism & communication
Why do opposing sides both feel the same news report is biased against them? This article covers the 1985 Vallone, Ross and Lepper study, why the effect occurs, how it shows up in
Information technology
Linus’s Law says that given enough eyeballs, all bugs are shallow. This piece covers its origin in Eric Raymond’s The Cathedral and the Bazaar, why many eyes help find bugs, the li
Logistics
Why does steady consumer demand turn into wild swings in orders further up the supply chain? This article explains how the bullwhip effect works, its four main causes, the Beer Gam
Business administration
In the rough seas of corporate management, not every ship can always sail smoothly. Sometimes fierce storms threaten to sink a ship, and sometimes old cargo must be discarded to ch
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
Library & information science
The theory and practice of information organization play a central role in maximizing information discovery and use through the systematic classification and arrangement of materia
Film & media
Day for night is a filmmaking technique that makes scenes shot in daylight look like night. This article covers why filmmakers shoot night in the daytime, the four main ways to fak
Earth science
Drought is one of the natural disasters with the most severe and widespread impacts, causing a variety of environmental, economic, and social problems. Climate change and populatio
