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809 articles found
Design
The Gestalt principles describe how the eye groups scattered visual elements by cues such as proximity, similarity and continuity and reads them as a whole. This piece covers their
Earth science
Earthquakes are among the most unpredictable and destructive natural disasters. Originating within the Earth, earthquakes have caused immense loss of life and property throughout h
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
Journalism & communication
In modern society, news is deeply embedded in our daily lives and is an important medium that provides information about various events and issues. However, news goes through a com
Food & nutrition
Omega-3 fatty acids are nutrients involved in cell membranes and several physiological functions. Their effects on cardiovascular health, brain function, and inflammation have been
Robotics
A collaborative robot, or cobot, is a robot designed to share a workspace with people and to reduce its own force and speed when it comes close or makes contact, so no one gets hur
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
Education
Andragogy is the art and science of helping adults learn. This article covers how the idea emerged, Malcolm Knowles’s six assumptions about adult learners, examples from everyday l
Food & nutrition
Fat provides energy, builds cell structures, and helps absorb essential fatty acids and vitamins, but eating too much can cause health problems. This article explains what fat is,
Chemistry
Avogadro’s number is the number of particles in one mole of a substance, about 6.02 × 10²³. This piece explains what it means, ways to grasp its size, how Avogadro, Cannizzaro, Los
General knowledge
With advances in modern agricultural technology and the widespread use of protected cultivation (greenhouse growing), we live in an era when lettuce, cucumbers, and tomatoes are av
Physics
Conservation of angular momentum means that when no outside force acts to change its rotation, the amount of rotation a spinning object has stays the same. This piece covers the co
