Statistics
When to Stop and Choose: The Secretary Problem
The secretary problem asks how to maximize the chance of picking the very best candidate when you must decide on each one on the spot. This article explains its rules, why the answ
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810 articles found
Film & media
Effective Broadcast Scheduling Strategies and Optimization Approaches
South Korea's broadcasting industry is changing rapidly and developing steadily. Amid these changes, broadcast scheduling plays an important role in attracting and retaining viewer
Robotics
Reducing Error on the Way to the Goal: Proportional-Integral-Derivative Control
How do robot arms and drones stop right at their target? This article covers the history of PID control starting with Minorsky, the roles of the proportional, integral and derivati
Physics
Why Soap Bubbles Shimmer Like a Rainbow: Thin-Film Interference
Thin-film interference is the phenomenon in which light reflected from the top and bottom surfaces of a very thin film overlaps, strengthening some colors and weakening others. Thi
Information technology
Bugs Reveal Themselves When You Talk: Rubber Duck Debugging
Rubber duck debugging is a debugging method in which you find problems by explaining your code, line by line and out loud, to a rubber duck on your desk. This article covers where
Film & media
Editing That Skips Through Time: The Jump Cut
What is a jump cut, the kind of edit in which time seems to leap forward within the same shot? This article explains its relationship to the 30-degree rule, Godard's Breathless, ho
Information technology
What Is the Metaverse, What Are Its Features, and What Are Its Prospects?
The metaverse is a concept in which the real and virtual worlds converge through advances in virtual reality technology and the internet. It means creating a virtual world where pe
Education
The Belief That Ability Can Grow: Growth Mindset
A growth mindset is the belief that intelligence and talent can grow through effort, good strategies and help from others. We look at how it differs from a fixed mindset, the prais
General knowledge
The World of Cat Language and Behavior
Cats are independent and charming animals loved by many people. To gain a deeper understanding of their behavior and characteristics, we need to examine their physiological traits,
Information technology
Slowing Down Faster Than Hardware Speeds Up: Wirth’s Law
Wirth’s Law is the rule of thumb that software gets slower faster than hardware gets faster. This piece covers where it came from, why software keeps getting heavier, examples arou
Psychology
The Memory of Unfinished Tasks: The Zeigarnik Effect
Why do unfinished tasks linger in our minds longer than completed ones? This article explains the Zeigarnik Effect: its origins, how memory and psychological tension work together,
Design
The Crowning Glory of Design: The World of 'Character' Design
Every day, we live amid countless advertisements and marketing campaigns. Within this flood, there are figures with the power to instantly capture our attention and move our hearts