Statistics
Same Numbers, Different Pictures: Anscombe’s Quartet
Anscombe’s Quartet is a set of four datasets whose summary statistics are nearly identical but whose graphs look completely different. This piece covers how it came about, the trap
Articles to explore
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796 articles found
Earth science
The Mystery of Gravity: The Universe's Hidden Force
Gravity is an essential part of our everyday lives and one of the fundamental forces of the universe. Through gravity, we pull objects toward the ground, and it affects everything
Robotics
The Secret to Walking Without Falling: The Zero Moment Point
The Zero Moment Point (ZMP) is the point under the feet where ground forces create no tipping moment, long used to judge whether a biped robot will fall. This piece covers the supp
Education
Words and Pictures Stay Together: Dual Coding Theory
Dual Coding Theory holds that the mind has separate verbal and nonverbal systems, and that linking words with pictures helps us understand better and remember longer. This piece co
Library & information science
KORMARC (Korean Machine-Readable Cataloging) Tag Reference
This time, I would like to write about MARC, which is used in libraries. MARC and cataloging cover such an extensive range of material that I plan to divide the discussion into sev
Chemistry
Efficient Chromatography Techniques and the Principles of the Separation Process
An in-depth look at chromatography, an essential tool in chemical analysis: its basic principles and history, major techniques such as HPLC, GC, IC, SEC, and paper and thin-layer c
Social welfare
Work and Family: Building a Balanced Life Through Parental Leave
The parental leave system has become one of the most important policies in modern society. By giving parents time to focus on raising their children, it plays a major role in ensur
Design
Design Connections: Patterns Linking Form and Meaning
In visual design, patterns are elements that play an important role by bringing form and meaning into harmony. Patterns go beyond merely repeating forms and serve an important func
Earth science
Convection: The Hidden Science That Drives Everyday Life and Climate
An exploration of convection: its basic principles and definition, the different forms convection takes on Earth, how it shapes climate and weather, and how it is applied in everyd
Design
The More Choices, the Slower the Decision: Hick's Law
Why do decisions take longer the more options there are? This article explains Hick's Law, covering its meaning and origins in a lamp experiment, decision time that grows logarithm
Information technology
Many Eyes Make Bugs Visible: Linus’s Law
Linus’s Law says that given enough eyeballs, all bugs are shallow. This piece covers its origin in Eric Raymond’s The Cathedral and the Bazaar, why many eyes help find bugs, the li
Psychology
Improving Self-Efficacy: Effective Methods and Positive Changes
Self-efficacy is the belief that an individual can achieve a goal in a particular situation, and it has an important influence on the individual's behavior, emotions, and overall q