Physics
When Light Cannot Escape: Total Internal Reflection
Total internal reflection happens when light traveling from a material with a higher refractive index toward a lower one hits the boundary beyond the critical angle and is reflecte
Articles to explore
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773 articles found
Logistics
The Cold Path That Must Never Break: Cold Chain Logistics
How do milk and vaccines reach us while staying cold? This article covers the history of the cold chain from ice-packed shipping to refrigerated trucks, its four stages and tempera
Statistics
Understanding the Essence and Practical Meaning of Interpreting Significance
Significance plays an important role in data analysis and the interpretation of results, and it is a concept that directly affects the reliability and validity of research. This ar
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
Library & information science
Catalog Concepts and Structure for Library MARC Work
This time, we will examine catalogs, one of the concepts frequently used in libraries. Catalogs are intended to ensure that the same book can be registered according to the same s
Business administration
Where Should We Grow? The Ansoff Matrix
The Ansoff Matrix splits “what to sell (products)” and “whom to sell to (markets)” into existing and new, showing four growth strategies a company can choose along with how risky e
General knowledge
Monitor Connectors and Ports: A Complete Connection Guide
A guide to the connectors and ports used to hook up a monitor: the difference between a connector and a port, the features of HDMI, DisplayPort, DVI, and VGA, a comparison of the m
General knowledge
A Preview of Major Accidents: Heinrich’s Law
Major accidents rarely happen “suddenly”; they are usually preceded by many small warning signs. This article explains Heinrich’s Law (the 1:29:300 rule), its domino theory, later
Library & information science
Repositories Where You Can Read Research Papers for Free (Open Access)
This time, we will explore the concept of repositories, which are primarily established and used by universities and research institutions, and ways to obtain research papers for f
Social welfare
Mental Health Welfare: Diverse Approaches and Practical Examples
In modern society, mental health welfare has become an essential support system. As stress and anxiety increase alongside a rapidly changing social environment, mental health issue
Statistics
Collecting Chance to Find the Answer: The Monte Carlo Method
The Monte Carlo method estimates an answer by repeating a huge number of random trials and averaging the results. We look at how it was born, how it works in four steps, easy examp
Business administration
Value That Grows the More It’s Used: The Network Effect
A network effect is the phenomenon in which a product or service becomes more valuable as more people use it. This piece covers direct and indirect effects, two-sided platforms and