Economics
Raise the Tax Rate, Collect Less Tax: The Laffer Curve
The Laffer Curve is a hill-shaped graph showing that tax revenue is zero at both a 0% and a 100% tax rate, so some rate in between brings in the most. This article covers its napki
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Psychology
One Good Trait Makes Everything Shine: The Halo Effect
The halo effect is a bias in judgment in which the impression from one standout trait spills over into how we rate other, unrelated traits. This piece covers the research that firs
Earth science
Less Rain Beyond the Mountains: The Rain Shadow Effect
Why is one side of a mountain range lush and the other dry? Moist air rises up the windward slope and drops its rain, then sinks, warms, and dries on the leeward side. This piece c
Journalism & communication
Why We Choose the Media We Do: Uses and Gratifications Theory (U&G)
Why do we pick the media we do? Uses and Gratifications Theory, systematized in the 1970s by Elihu Katz, Jay Blumler, and others, sees people not as passive receivers of messages b
Information technology
Confirming the Confirmation Never Ends: The Two Generals’ Problem
The Two Generals’ Problem is a thought experiment showing that, over a channel where messages can be lost, two parties can never be completely certain they have agreed to act toget
Library & information science
Library Checkout and Return Systems: Flowcharts and Concepts
This time, I would like to put together some material about the system used to check out and return books at a library. A library's checkout and return system automates its loan-re
Design
Design Connections: Patterns Linking Form and Meaning
In visual design, patterns are elements that play an important role by bringing form and meaning into harmony. Patterns go beyond merely repeating forms and serve an important func
Business administration
The Weakest Link Sets the Pace for the Whole: Theory of Constraints
The Theory of Constraints holds that a system's performance is determined by its single weakest link, so that constraint should be found and managed with focus. Learn what it is, t
Psychology
Role Theory: Core Principles for Understanding Human Behavior
Role Theory is one of the important approaches to understanding and explaining human behavior in the social sciences, particularly psychology. Its basic premise is that individuals
Earth science
Caldera: The Giant Cauldron Formed When the Ground Collapses
A caldera is a large, round basin that forms when the ground above an emptied magma chamber collapses. Learn how it differs from a crater, how it forms, famous calderas around the
Information technology
The Two Faces of Deepfakes: At the Boundary Between Innovation and Risk
Deepfake technology is a video and audio synthesis technology born out of advances in artificial intelligence (AI) and machine learning, producing results so sophisticated that the
Robotics
Robots That Grow Creepier the More Human They Look: The Uncanny Valley
The uncanny valley is the phenomenon in which our affinity for a robot or doll grows as it becomes more humanlike, then suddenly drops into unease when it looks almost, but not qui