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778 articles found
Earth science
A caldera is a large, round basin that forms when the ground above an emptied magma chamber collapses. Learn how it differs from a crater, how it forms, famous calderas around the
Information technology
This time, I would like to put together material on CSS, a language essential for styling websites. This material will provide an overview of the CSS properties needed for web deve
Statistics
In many naturally occurring sets of numbers, smaller leading digits appear far more often: about 30.1% start with 1, and only about 4.6% with 9. This article explains the definitio
Design
When you are walking down the street and see red lettering against a yellow background, a particular fast-food brand naturally comes to mind. When you see wording in a plain, restr
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
Earth science
Why can one side of a mountain range be cool and damp while the other is hot and dry? This article explains the foehn effect: how air changes temperature as it rises and descends o
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
Robotics
Soft robotics builds robots from flexible materials such as rubber and silicone, taking inspiration from creatures like the octopus and the elephant's trunk. This article covers ho
Library & information science
Co-citation analysis judges two documents to be closer in subject the more often other documents cite them together. Learn how it emerged, how co-citation strength is counted, how
Design
When a product feels simple, where did its complexity go? This article covers the origins of Tesler's Law, the three parties who share the burden of complexity, everyday examples,
Economics
A Pigouvian tax charges an activity that harms others a tax equal to that harm, so market prices reflect the true social cost. Learn about externalities, how the tax corrects the m
Journalism & communication
In this article, we aim to offer a realistic analysis of the media's social influence and ripple effects and examine the implications that can be drawn from it. The media play a ve
