Chemistry
Oil That Washes Away Oil: Saponification
Saponification is the chemical reaction in which fats and oils react with an alkali to become soap and glycerol. This article covers how the reaction works, why soap removes grease
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Chemistry
Saponification is the chemical reaction in which fats and oils react with an alkali to become soap and glycerol. This article covers how the reaction works, why soap removes grease
Business administration
Kaizen is a management approach in which everyone on the front line keeps making small improvements instead of one grand change. This article covers what the word means and where i
Food & nutrition
The Atwater general factor system estimates a food’s energy by multiplying each nutrient by a fixed value, such as 4kcal per gram for carbohydrate and protein and 9kcal per gram fo
Physics
Thin-film interference is the phenomenon in which light reflected from the top and bottom surfaces of a very thin film overlaps, strengthening some colors and weakening others. Thi
Tourism studies
Last chance tourism is travel to see vanishing landscapes, wildlife, or cultures before they are gone. This piece covers the concept and its origins, why people are drawn to it, we
Design
Isotype is a method of showing statistics with rows of identical picture symbols, created in 1920s Vienna by Otto Neurath and his team. This article covers the Social and Economic
Design
Why do sites we use for the first time still feel easy? This article explains the origin of Jakob's law as stated by Jakob Nielsen, the principles of mental models and conventions,
Business administration
The value chain is a framework that breaks a company's work down into individual activities to see where value is created and where costs leak. This piece covers the basic concept,
Education
Educational evaluation plays an essential role in the education system and is an important means of assessing learners' achievement and improving the quality of education. Through
Design
Dark patterns are screen designs that use layout, color, and wording to trick or push users into actions they would not have taken if they had fully understood or been free to choo
Education
The hidden curriculum is what students learn at school without anyone planning or teaching it. This guide explains what it means and where it came from, how it takes shape in the c
Information technology
Network technology is at the heart of modern society's information and communications infrastructure and has become an indispensable part of the business environment. In a rapidly