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783 articles found
Information technology
The Internet of Things connects everyday objects to the internet so they can collect and share data. This article looks at what IoT is, the key technologies behind it, the fields w
Design
Texture has become an essential element in contemporary visual design and user experience (UX). Beyond being a visual element, texture brings physical qualities that we can actuall
Chemistry
Freezing point depression is the lowering of a liquid’s freezing temperature when other substances are dissolved in it. We look at why dissolved particles slow ice formation, why t
Film & media
The art of photography and video is a complex process that involves understanding and applying various techniques and principles, rather than simply pressing a button to capture an
Psychology
The Barnum effect is our tendency to accept vague personality descriptions that fit almost anyone as accurate analyses of ourselves. This piece covers where the name came from, P.
Logistics
The hub-and-spoke model gathers cargo from many origins at a central hub, sorts it by destination, and sends it back out to each region. This piece covers how it compares with poin
Earth science
Dew consists of tiny water droplets commonly seen in nature, but its formation and roles are highly complex and have important significance. Dew forms when water vapor in the atmos
Physics
Why does a drop of water skate across a very hot pan and last longer than on a merely warm one? This article explains the Leidenfrost effect, from the vapor cushion that lifts the
Psychology
Cognitive dissonance is the psychological discomfort that arises when contradictory beliefs, attitudes, or behaviors exist at the same time, together with the automatic process of
Journalism & communication
Every morning, when we turn on our smartphones, we encounter a flood of news articles, real-time search rankings, and social media trending tabs. On some days, a particular politic
Education
Dual Coding Theory holds that the mind has separate verbal and nonverbal systems, and that linking words with pictures helps us understand better and remember longer. This piece co
Chemistry
Why does water sometimes stay liquid below freezing? This article explains what supercooling is and how it works, everyday examples such as clouds, freezing rain, and hand warmers,
