Physics
Electric Whirlpools Inside Metal: Eddy Current
An eddy current is a swirling electric current induced inside a conductor such as metal by a changing magnetic field. This article covers how eddy currents arise, Lenz's law, why t
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Information technology
A Comprehensive Guide to CSS Properties for Website Styling
This time, I would like to put together material on CSS, a language essential for styling websites. This material will provide an overview of the CSS properties needed for web deve
Tourism studies
When Your Dream City Disappoints: Paris Syndrome
Paris syndrome is the severe confusion some travelers feel when a long-dreamed-of destination falls short of their expectations. We look at how the name came about, its main sympto
Social welfare
Directions and Key Approaches for Housing Welfare Policy in South Korea
Housing welfare policy plays an important role in ensuring the stability and comfort of housing, the basic living environment of citizens, and improving housing standards across th
Library & information science
Splitting a Subject into Many Sides: Faceted Classification
Faceted classification divides a subject into non-overlapping aspects and combines their symbols into one class number. This piece covers enumerative versus analytico-synthetic cla
General knowledge
Reaching an Answer by Rough Estimate: Fermi Estimation
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
Economics
Reading the Economy through the Producer Price Index (PPI)
The Producer Price Index (PPI) is an economic indicator and an important tool for measuring changes in the prices of goods and services that producers supply to the market. It does
Design
Less but Better: Dieter Rams’ Ten Principles for Good Design
Dieter Rams’ Ten Principles for Good Design sum up, in ten sentences, the idea that design is not decoration but the work of making things useful, understandable and long-lasting.
General knowledge
Suspect a Mistake Before Malice: Hanlon’s Razor
Hanlon’s Razor is a rule of thumb that says not to blame malice for what mistakes or foolishness can adequately explain. This piece covers where it came from, why we tend to read o
Journalism & communication
Why Does Only This Story Make the News? News Values
News values are the criteria that decide which events become news and how they are reported. This article covers Galtung and Ruge’s 1965 study that started the field, the main news
Statistics
Resampling to Measure Error: The Bootstrap (Bootstrapping)
Bootstrapping treats the sample you already have as if it were the population and resamples from it over and over to estimate error and confidence intervals. This article covers ho
Social welfare
Mental Health Welfare: Diverse Approaches and Practical Examples
In modern society, mental health welfare has become an essential support system. As stress and anxiety increase alongside a rapidly changing social environment, mental health issue