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779 articles found
General knowledge
Why can contact lists grow while deep ties stay few? Dunbar’s Number says humans can sustainably keep only so many stable relationships—often about 150—layered as roughly 5, 15, 50
Education
Why does learning stall when there is too much to hold in mind at once? This article covers the origins of cognitive load theory and the limits of working memory, the three types o
Earth science
Algal blooms are an environmental problem we occasionally encounter in everyday life. This phenomenon, which gives rivers and lakes a green color in summer, affects us in various w
Journalism & communication
The sleeper effect is the phenomenon in which a message from a hard-to-believe source has little power at first but becomes more persuasive as time passes. We look at how it was di
Information technology
Dennard scaling is the semiconductor scaling rule that if transistors are made smaller while voltage is lowered by the same ratio, the power used by a given area of a chip stays th
Tourism studies
Tourism carrying capacity is the maximum number of visitors a place can receive without seriously harming its environment, residents, or the visitor experience. This piece covers i
Chemistry
Freezing point depression is the lowering of a liquid’s freezing temperature when other substances are dissolved in it. We look at why dissolved particles slow ice formation, why t
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
General knowledge
A guide to the connectors and ports used to hook up a monitor: the difference between a connector and a port, the features of HDMI, DisplayPort, DVI, and VGA, a comparison of the m
Information technology
What an API (application programming interface) is, how Korean services such as Naver, Kakao, and the Public Data Portal use APIs, how to get an API key and connect to an API, and
Physics
Multiverse theory is one of the most prominent and controversial concepts in modern physics, proposing the possibility that countless other universes exist beyond the universe we i
Psychology
Psychology uses the concepts of personal space and territory to study how we perceive and try to protect our physical and emotional space. Personal space and territory are importan
