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810 articles found
Social welfare
Welfare administration is a system that plays an important role in improving citizens' quality of life and strengthening the social safety net. It serves as an essential foundation
Chemistry
Electrochemistry is the study of the interaction between chemistry and electricity, an important field that has a profound impact on our everyday lives. It plays a central role in
Business administration
In modern society, a company's success depends heavily on the quality of its leadership. Leadership is an important factor in achieving organizational goals, going beyond simply gi
Robotics
How does a robot with no map work out both its surroundings and its own position? This piece explains SLAM: the chicken-and-egg problem behind it, its roots in the 1986 IEEE roboti
Information technology
Blockchain technology is one of the innovative technologies that have attracted rapidly growing interest and attention in recent years. As a distributed system capable of replacing
Design
You have probably tried to tap a small close button on your phone screen and ended up tapping an unintended ad. By contrast, the large payment button at the bottom of the screen is
Information technology
The Two Generals’ Problem is a thought experiment showing that, over a channel where messages can be lost, two parties can never be completely certain they have agreed to act toget
Library & information science
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
Design
Every color we use in daily life has its own reasons and hidden psychology. This guide covers red, orange, yellow, green, blue, purple, brown, gray, white, and black, explaining th
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
Tourism studies
In modern society, the boundary between work and rest is changing rapidly. While the binary idea of working when it is time to work and resting when it is time to rest once prevail
Physics
Why does a swing go higher and higher when you push it in rhythm? This article explains what resonance and natural frequency mean, how the swaying grows, its uses in musical instru
