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846 articles found
Chemistry
Deliquescence is when a solid absorbs moisture from the air and then dissolves in the water it has absorbed. Learn how it differs from hygroscopy, the humidity at which solids begi
Journalism & communication
Why do we feel that we are fine and only other people are swayed by the media? This article explains the third-person effect and Davison's classic hypothesis, self-enhancement and
Chemistry
Isotopes are atoms of the same element that differ in weight because they have different numbers of neutrons. We look at atomic structure, stable and radioactive isotopes, how carb
Physics
Total internal reflection happens when light traveling from a material with a higher refractive index toward a lower one hits the boundary beyond the critical angle and is reflecte
Psychology
The Asch conformity experiments, begun by social psychologist Solomon Asch in 1951, showed that people often go along with a group’s clearly wrong answer on a simple line-length ta
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
Statistics
Anscombe’s Quartet is a set of four datasets whose summary statistics are nearly identical but whose graphs look completely different. This piece covers how it came about, the trap
General knowledge
Fermi estimation breaks an unknown quantity into numbers you already know, roughly estimates each piece, and multiplies them to get the order of magnitude. This article covers the
Earth science
Why does a layer of air form that gets warmer, not colder, with height? This article explains how temperature inversions form and their types, their effects on fine dust, fog, and
Film & media
Why do films and dramas cut from distant shots to close ones? This article explains the main shot types used in video production, namely the long shot, full shot, medium shot, bust
Business administration
The value chain is a framework that breaks a company's work down into individual activities to see where value is created and where costs leak. This piece covers the basic concept,
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
