Design
We Remember Only About Seven Things: Miller's Law
Miller's Law, drawn from psychologist George A. Miller's 1956 paper “The Magical Number Seven, Plus or Minus Two,” describes the limited amount of information people can hold at on
Articles to explore
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773 articles found
Robotics
Smarter Together Than Alone: Swarm Robotics
Swarm robotics is the field of robotics that designs many simple robots to work together without a central leader, using only signals exchanged with nearby peers. This piece covers
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
Physics
Understanding Semiconductor Physics: The Core Principles of Electronics
Semiconductor physics provides the core theoretical foundation of modern electronics. Semiconductors, with properties between those of conductors and insulators, carry current thro
Logistics
Handing Over Logistics Entirely: Third-Party Logistics
Third-party logistics (3PL) means entrusting part or all of a company's logistics to an unaffiliated outside specialist under a long-term contract. This article covers what 3PL mea
Food & nutrition
20 Superfoods That Protect Your Body
In modern society, health has become our most important asset, and various ways to maintain and improve personal health are therefore attracting attention. In particular, superfood
Education
What Is Educational Technology, How Is It Classified, and What Are Its Prospects?
Education is a powerful means of changing the world and plays a central role in the development of our society and the renewal of culture. One way to deliver this education more ef
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
Library & information science
What You Found and What You Missed: Precision and Recall
When a search list looks right at the top, how do you know what was left out? This piece explains precision and recall, the trade-off between them, the F1 score that combines both,
Tourism studies
Travel Experience Builds a Career Too: The Travel Career Ladder
Why do our travel wishes change as we travel more? This guide explains Philip Pearce's Travel Career Ladder, its five levels of motivation, how travelers move up and down the ladde
Information technology
The Formula That Sets the Limits of Parallelism: Amdahl’s Law
Why doesn’t doubling your cores double your speed? Amdahl’s Law shows that the serial portion you cannot parallelize caps the overall speedup at 1/s. This piece covers the formula,
Library & information science
Understanding the Structure and Principles of MARC (A MARC Analysis)
A close look at the structure of MARC, the format libraries use for cataloging. Using a real record for the book 'Romance of the Three Kingdoms' (Samgukji) from the National Librar