Statistics
Twenty-Three People Are Enough: The Birthday Paradox
Why is it so likely that two people in a small group share a birthday? This article covers the birthday paradox, the two keys to calculating it, why our intuition misses it, and ho
Articles to explore
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810 articles found
Journalism & communication
The History and Development of Korean Media (From Ancient Times to the Present)
Korean media have developed in various forms over thousands of years. From ancient records and medieval methods of communication to modern digital media, the history of Korean medi
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,
Physics
Principles of Classical Mechanics and Applications in Modern Technology
Classical mechanics is an important foundational field of physics that explains the relationship between the motion of objects and the forces acting on them. Developed on the basis
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
Earth science
When the Ground Flows Like Water: Soil Liquefaction
Why does solid ground turn soft and flow like water during an earthquake? This article explains soil liquefaction, in which water-saturated sandy ground behaves like a liquid, cove
Robotics
Three Promises Robots Must Keep: Asimov’s Three Laws of Robotics
Asimov’s Three Laws of Robotics are a set of prioritized rules: a robot must not harm humans, must obey human orders, and must protect itself. We look at how the laws were born, wh
Information technology
Core VPN Features and Safe Internet Use
In modern society, the internet has become an essential part of our lives. However, as internet use increases, problems such as personal information leaks and invasions of privacy
Journalism & communication
The Illusion That Only Others Are Swayed: The Third-Person Effect
Why do we feel that we are fine and only other people are swayed by the media? This article explains the third-person effect and Davison's classic hypothesis, self-enhancement and
Earth science
The Threat of Fine Particulate Matter: Essential Measures to Protect Health and the Environment
In recent years, fine particulate matter has emerged as a major problem threatening the environment and human health. It is frequently found all around us, and its adverse effects
Library & information science
The Words We Use Most Are Always Few: Zipf's Law
Why do a handful of words appear on every page while most words show up only once or twice? This article covers how Zipf's Law became known, the inverse relationship between rank a
Film & media
The Camera That Circles Frozen Time: Bullet Time
Bullet time is a visual effect in which time seems to slow down or stop while the camera keeps moving around the scene at normal speed. This article explains how it differs from sl