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793 articles found
Film & media
A rolling shutter records an image not all at once but line by line from top to bottom, which is why fast-moving objects and brief flashes can look strangely distorted. This articl
Journalism & communication
A filter bubble forms when the personalization algorithms of search engines and social media show us only the information we are likely to like, trapping us in a bubble of content
Information technology
The CAP theorem states that a distributed system cannot guarantee consistency, availability, and partition tolerance all at once. This article covers how the theorem came about and
Social welfare
An ecological map, or eco-map, is an assessment tool that places a family or person in a central circle and draws their ties to surrounding systems such as work, school, hospitals,
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
General knowledge
Understanding and caring for a dog's traits and behavior is an important task for every dog owner. This guide covers dogs' physical and physiological characteristics, the distincti
Chemistry
A colloid is a mixture in which particles too small to see are evenly dispersed and suspended in another substance. This article explains how colloids differ from solutions, the co
Film & media
An anamorphic lens squeezes a wide scene only horizontally onto film or a sensor, then stretches it back by the same ratio to create a widescreen image. This article covers how it
Social welfare
A food bank is an organization and system that collects donated food that is still edible but hard to sell and distributes it to people struggling to get enough to eat and to welfa
Social welfare
What if everyone received the same money every month, no questions asked? This article covers the origins of basic income from More and Paine, its five defining features, experimen
Logistics
If you have ever bought something directly from overseas, you are probably familiar with the term “customs clearance.” It is the process by which the goods you ordered pass through
General knowledge
Hofstadter’s Law says that it always takes longer than you expect, even when you take the law into account. This piece covers its origin in Gödel, Escher, Bach, its recursive struc
