Physics
When Light Cannot Escape: Total Internal Reflection
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
Articles to explore
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810 articles found
Design
The Psychology and Characteristics of Color: What Feelings Does Each Color Evoke?
Every color we use in daily life has its own reasons and hidden psychology. This guide covers red, orange, yellow, green, blue, purple, brown, gray, white, and black, explaining th
Economics
Gross Domestic Product (GDP): The Key to Understanding Economic Growth
Gross domestic product (GDP) is one of the most important indicators in modern economics, used to measure the size and growth of a country's economy. By capturing the sum of a coun
Business administration
The Hidden Price of Changing: Switching Costs
Why is it so hard to switch carriers, airlines, or software even when a cheaper option exists? This piece explains switching costs, the three types identified by Burnham, Frels, an
Psychology
More Precious When You Build It Yourself: The IKEA Effect
The IKEA effect is the cognitive bias that leads people to value things they made or assembled themselves far more than they are actually worth. This article covers how the effect
Information technology
The Interest on Rushed Code: Technical Debt
Why do the shortcuts we take for speed today come back later at a high price? This article explains technical debt, the term first used by Ward Cunningham, how interest builds up,
Earth science
The Rhythm of the Ice Ages: Milankovitch Cycles
Why has Earth swung back and forth between glacial and interglacial periods? This article explains the Milankovitch cycles, the slow but regular changes in Earth's orbit and axis:
Earth science
The Hidden Effects of Fog: From Ecosystems to Human Activities
Fog is a weather phenomenon frequently encountered in everyday life and an important factor that limits visibility and greatly affects transportation safety. In particular, fog can
Food & nutrition
The Temperature at Which Oil Starts to Smoke: Smoke Point
The smoke point is the temperature at which an oil or fat, when heated, begins to give off a continuous, visible bluish smoke. This article covers why oil smokes, what determines t
Library & information science
Thesaurus — A Dictionary Showing Relationships Between Terms
This time, I would like to put together some material on thesauruses, dictionaries that show the various relationships among keywords when searching for the information you want. A
Education
The Staircase of Thinking from Remembering to Creating: Bloom’s Taxonomy
Bloom’s Taxonomy is a framework that arranges the thinking skills a lesson aims to develop in order, from the easiest level to the hardest. This article covers what it is, the orig
General knowledge
The Research Process in the Social Sciences (Procedures)
This time, I would like to put together material on the process through which research in the social sciences is conducted. Unlike natural science research, which studies matter th