Physics
When a Small Force Becomes a Big Sway: Resonance
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
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784 articles found
Information technology
Drones Today and Tomorrow, and What Technologies Do Unmanned Drones Need?
Drones are used in more and more fields, from the military to commercial, industrial, and personal use. This article explains what drones are, where they are used, the key technolo
General knowledge
Headlines That End in a Question Mark Usually Mean No: Betteridge's Law of Headlines
Betteridge's law of headlines is the adage that any headline ending in a question mark can almost always be answered with a single word: no. This article covers how the law came ab
Earth science
Understanding Typhoons Made Easy: Causes and Characteristics
Typhoons are among the most powerful weather phenomena created by nature, with an impact felt across the globe. Every year, countless people directly experience their force and the
Information technology
Efficient Strategies for Evaluating and Optimizing Machine Learning Models
Machine learning is central to modern technological progress, driving changes across various industries at the heart of the data revolution. Having established itself as an essenti
Food & nutrition
The Secret of Deep Flavor: Umami
What is the deep, savory taste that is neither salty nor sweet? This article covers umami from Kikunae Ikeda's discovery to glutamate, inosinate and guanylate, the synergy effect,
General knowledge
Practical Strategies for Improving Business Performance with Proposals
In a business environment, a successful proposal serves as an important tool that determines a company's performance. Proposals play a central role in securing new contracts or inv
Tourism studies
The Urge to Leave and the Place That Calls: Push-Pull Theory
Why do people travel, and why do they choose a particular place? This article explains the origins of push-pull theory, push factors as travel motives, pull factors as destination
Tourism studies
Where Does Tourists’ Money Go? Tourism Leakage
Why does so little of what tourists spend reach local fishermen and neighborhood restaurants? This piece explains tourism leakage: how tourism revenue reaches the local economy, im
Chemistry
The Reaction That Slowly Eats Away at Iron: Corrosion
Corrosion is the process by which a metal reacts chemically with its surroundings, loses its original properties, and breaks down. This piece covers how iron rusts, what happens wh
Physics
The Endless Jiggle: Brownian Motion
Why do tiny particles in water never stop jiggling? This article explains Brownian motion, first observed by Robert Brown, the principle Einstein uncovered behind it, Perrin's expe
General knowledge
The Process of Eye Movements During Reading and the Concept of Speed Reading
This time, I would like to prepare material on eye movements during reading and speed reading. Here, eye movements during reading refer to the movements the eyes make as they follo