Psychology
The Confidence of Not Knowing: The Dunning-Kruger Effect
Why are some people so confident even when they do poorly on a test, while experts often seem modest? This article explains the Dunning-Kruger effect and the classic study behind i
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794 articles found
Film & media
The Concept and Use of Screen Scanning in Video — Interlaced & Progressive Scanning
Video technology has advanced noticeably over time, and screen scanning (Scanning) technology in particular has greatly improved video resolution and quality. Screen scanning refer
Logistics
First Come, First Out: First In, First Out (FIFO)
First In, First Out (FIFO) is the inventory practice of shipping out goods in the order they arrived. We look at what FIFO means and why it matters, the related methods of First Ex
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
Food & nutrition
How to Measure Spiciness in Numbers: The Scoville Scale
The Scoville Scale expresses how hot a chili pepper is as a number, the Scoville Heat Unit (SHU). This article explains why spiciness is actually pain, how the scale is measured by
Food & nutrition
Why Leftover Rice Hardens: Starch Retrogradation
Fresh rice turns hard in the fridge, and bread grows crumbly over days—because of starch retrogradation. This article explains gelatinization and retrogradation, the conditions tha
Film & media
Frame Rate: A Decisive Factor in Video Quality
With advances in video production and streaming technology, we can now easily access high-quality video. However, many people still do not clearly understand the important factors
Business administration
Promoted to the Level of Incompetence: The Peter Principle
The Peter Principle is the claim that in a hierarchy, people tend to be promoted until they reach a position where their incompetence shows. This article covers its basic definitio
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
Chemistry
Innovative Methods and Broad Applications of Chemical Synthesis
Chemical synthesis is the process of creating new compounds by combining atoms and molecules, and it is an essential technology in modern science and industry. This technology play
Design
The Familiar Is Easy: Jakob's Law of Internet User Experience
Why do sites we use for the first time still feel easy? This article explains the origin of Jakob's law as stated by Jakob Nielsen, the principles of mental models and conventions,
Economics
Too Invested to Quit: The Sunk Cost Fallacy
Why do we sit through a dull movie just because we paid for the ticket? This guide explains sunk costs, the bygones principle, why people fall into the sunk cost fallacy, classic e