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796 articles found
Education
Why did students tutored one-to-one outscore 98% of an ordinary class? This piece explains Bloom’s 2 sigma problem: the three teaching methods Bloom compared in 1984, what standard
Economics
The balance of payments (BOP) is a comprehensive statistical indicator that records all financial activities arising from a country's economic exchanges with other countries. This
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
Earth science
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
Statistics
The normal distribution plays a central role in statistics and data analysis. This article covers its basic concepts and characteristics, its mathematical definition and properties
Physics
Relativity is a groundbreaking theory that fundamentally changed the paradigm of physics. Proposed by Albert Einstein, it challenged traditional concepts of time and space. Relativ
Information technology
Autonomous driving technology is one of the topics attracting considerable attention in modern society. This technology enables vehicles to perceive their surroundings and drive on
Information technology
Linus’s Law says that given enough eyeballs, all bugs are shallow. This piece covers its origin in Eric Raymond’s The Cathedral and the Bazaar, why many eyes help find bugs, the li
Earth science
Tides, the periodic rise and fall of sea level, are driven mainly by the gravity of the Moon and the Sun. This article covers how tides work, the differences between high and low t
Economics
The basic concepts of supply and demand, how market equilibrium and the equilibrium price form, how price changes affect quantity demanded and supplied, what shifts the demand and
Information technology
Why does adding people to a late software project often make it even later? This article covers the origin of Brooks's Law and the illusion hidden in the man-month, why adding peop
Earth science
The Coriolis effect is the phenomenon in which Earth's rotation alters the paths of moving objects. This article looks in detail at its definition and principle, its influence on w
