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810 articles found
Economics
Comparative advantage is the principle that each party gains by specializing in what it can produce at a lower opportunity cost than others. This article covers the basic concept,
Physics
Pascal’s principle states that pressure applied to a confined fluid at rest is transmitted undiminished throughout the fluid. We look at how it was formulated, how hydraulic device
Earth science
In recent years, fine particulate matter has emerged as a major problem threatening the environment and human health. It is frequently found all around us, and its adverse effects
Earth science
Clouds are a familiar sight, yet few people understand how they form, what kinds there are, and what each one tells us. This article explains the principles of cloud formation, the
Physics
The Foucault Pendulum is a device that shows the Earth's rotation with your own eyes: a heavy bob on a very long wire whose plane of swing slowly turns relative to the ground. We l
Information technology
What is the Year 2038 problem? It is the glitch in which computers that store Unix time in 32 bits mistake moments after January 19, 2038, for 1901. This article covers how it work
Statistics
Standard deviation plays an important role in describing data variability and is an essential concept used in a wide range of practical situations. In data analysis and decision-ma
Psychology
The self (ego) is one of the most important concepts in human psychology and a key element in understanding an individual's identity and self-awareness. The self (ego) goes beyond
Robotics
Subsumption architecture is a robot control method in which simple behavior layers are stacked from the bottom up and higher layers override lower ones when needed. This article co
Tourism studies
Slow travel is a way of traveling in which you stay in one place for a long time and experience it at a pace close to everyday life, rather than brushing past many places in a shor
Information technology
Why is pressing an elevator button twice safe, while double-clicking a payment button feels risky? This article explains idempotence—from its mathematical name to everyday buttons,
Business administration
Disruptive innovation is innovation that looks inferior at first but wins new customers with a cheaper, simpler alternative and gradually takes over the mainstream market. This art
