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Earth science
Natural disasters can cause enormous harm to human lives and property, and landslides pose a particularly serious risk among them. Because landslides occur alongside sudden changes
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
Library & information science
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
Economics
Global and domestic bond markets have undergone many changes recently. A bond is a financial product that serves as a form of IOU issued by governments, companies, financial instit
Information technology
In modern society, information security and hacking are no longer concerns limited to experts. As the internet and digital technologies advance, we regularly enter the cyber world
General knowledge
Poe’s Law is the internet rule of thumb that, without a clear sign of the author’s intent, a parody of extreme views will inevitably be taken as sincere by someone. We look at wher
Earth science
Lightning is one of the most remarkable electrical phenomena produced by nature. The moment lightning flashes is not only visually beautiful but also conceals complex scientific pr
Robotics
Unimate, installed at a General Motors plant in New Jersey in 1961, is regarded as the world’s first industrial robot. Learn how it grew from George Devol’s patent, how its hydraul
Library & information science
This time, I would like to put together some material about the system used to check out and return books at a library. A library's checkout and return system automates its loan-re
Statistics
Berkson's Paradox is the phenomenon in which a false inverse relationship appears between two unrelated traits when you look only at a group filtered by some criterion. This piece
Statistics
The base rate fallacy is judging from vivid case details while ignoring how common an event usually is. This piece covers Kahneman and Tversky’s research, the cab problem, everyday
Chemistry
A flame test identifies metal elements by the unique color of light they emit in a flame. This piece covers how the colors arise, Bunsen and Kirchhoff’s spectroscopy, fireworks, an
