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810 articles found
Tourism studies
Ecotourism is an important form of tourism that protects the natural environment and ecosystems while revitalizing local economies. The role and importance of ecotourism in buildin
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
Library & information science
Mooers’ Law is the principle that no matter how good an information retrieval system is, it will not be used where having information is more painful and troublesome than not havin
Film & media
OTT services let you watch video content on all kinds of devices. This article explains the concept of OTT, SVOD, and AVOD, the market share and rankings of major OTT services in K
Statistics
The secretary problem asks how to maximize the chance of picking the very best candidate when you must decide on each one on the spot. This article explains its rules, why the answ
Journalism & communication
Why do we pick the media we do? Uses and Gratifications Theory, systematized in the 1970s by Elihu Katz, Jay Blumler, and others, sees people not as passive receivers of messages b
Chemistry
Chemical synthesis is the process of creating new compounds by combining atoms and molecules, and it is an essential technology in modern science and industry. This technology play
Social welfare
Child welfare is an important field dedicated to ensuring and improving the health, education, and safety of children, who represent society's future. This field requires cooperati
Logistics
ABC analysis divides inventory into three classes, A, B, and C, by annual usage value and manages each class with a different level of care. Learn how it emerged from Pareto and Ju
Library & information science
The Mundaneum was a vast index-card archive founded in Brussels by Belgian lawyers Paul Otlet and Henri La Fontaine to gather the world’s knowledge in one place. This article cover
Food & nutrition
Healthy, elastic skin is one of the standards of beauty that many people strive for. This is especially true today, when there is so much interest in looking younger. The protein c
Food & nutrition
The smoke point is the temperature at which an oil or fat, when heated, begins to give off a continuous, visible bluish smoke. This article covers why oil smokes, what determines t
