Physics
A Particle That Outruns Light in Water: Cherenkov Radiation
Cherenkov radiation is the cone of light given off when a charged particle moves through a material such as water or glass faster than light travels in that material. Learn how it
Articles to explore
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810 articles found
Education
Why Is One-to-One Teaching So Powerful? Bloom’s 2 Sigma Problem
Why did students tutored one-to-one outscore 98% of an ordinary class? This piece explains Bloom’s 2 sigma problem: the three teaching methods Bloom compared in 1984, what standard
Physics
Exploring Black Holes: New Discoveries Beyond the Edge of the Universe
Black holes are among the most mysterious objects in the universe. This article looks at how they form, from dying massive stars to the first stars after the Big Bang, traces the h
Economics
Winning but Losing: The Winner’s Curse
The winner’s curse is when the person who most overestimates an item’s uncertain value wins the auction and overpays. This piece covers its origin in Capen, Clapp and Campbell’s 19
Earth science
How Does the Rainy Season Form, What Are Its Characteristics, and What Precautions Should You Take?
The rainy season, which invariably arrives each summer in Korea, affects many people in various ways. It causes inconvenience in daily life and sometimes leads to major disasters.
Social welfare
The Power That Connects Services: Case Management
Case management is a social work practice that coordinates resources through assessment, planning, linking, monitoring, and evaluation so that people with complex needs can receive
Design
Planning and Analysis Methods for UI / UX Design
Modern digital products and services place importance on user experience and satisfaction, and the importance of UI(User Interface) and UX(User Experience) design is emphasized as
Journalism & communication
News Inflated to Sell More Copies: Yellow Journalism
Yellow journalism is sensational reporting that uses eye-catching headlines and exaggerated content to boost newspaper sales. This article covers how the name arose from a fierce 1
Economics
The First Bite Tastes Best: The Law of Diminishing Marginal Utility
The law of diminishing marginal utility describes how the extra satisfaction from getting one more of something keeps shrinking. We look at what marginal utility means, how the ide
Library & information science
Books Are for Use: The Five Laws of Library Science
The Five Laws of Library Science are five short principles, published by the Indian mathematician and librarian S. R. Ranganathan in 1931, that sum up whom and what a library exist
Social welfare
What Are the Welfare Benefits and Employment Policies for People with Disabilities?
Providing fair opportunities and benefits to everyone is a very important task in modern society. In particular, people with disabilities face various difficulties in daily life an
Chemistry
Water Moving Across a Single Membrane: Osmosis
Why does salted cabbage release its water overnight? This article covers what osmosis is, the three factors that drive it, everyday examples, and reverse osmosis, the technology th