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810 articles found
Robotics
Grey Walter’s Tortoises were small robots built in the late 1940s by British neurophysiologist William Grey Walter that explored their surroundings on their own using just two vacu
Psychology
Have you ever felt that everyone notices only your mistakes? This article explains what the spotlight effect is, the T-shirt experiment, why the illusion arises, everyday examples,
Physics
Neutrinos are among the most intriguing particles in the universe, with their roles and properties still shrouded in mystery. Despite their tiny size and weak interactions, neutrin
Information technology
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,
Design
When you are walking down the street and see red lettering against a yellow background, a particular fast-food brand naturally comes to mind. When you see wording in a plain, restr
Information technology
HTML is short for Hyper Text Markup Language and is one of the languages needed to create websites. Here, HTML mainly uses the concept of tags to create web documents, and this art
Business administration
Why does each person pull less hard when more people join in? This article covers Ringelmann's rope experiments, the two causes of lost performance, everyday and workplace examples
Psychology
The IKEA effect is the cognitive bias that leads people to value things they made or assembled themselves far more than they are actually worth. This article covers how the effect
Earth science
Heat waves are occurring frequently around the world, and their intensity and frequency are steadily increasing. As a result, many people are experiencing health problems, and agri
Food & nutrition
Why doesn't honey spoil easily even though it contains water? This article explains water activity, a measure of the free water in food, and how it is measured, the limits below wh
Library & information science
This time, I would like to put together material on budgets in public libraries. Public library budget preparation is the process of developing, analyzing, and finalizing plans for
Earth science
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.
