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795 articles found
Information technology
Smart grids play an important role in addressing the energy challenges of modern society and creating a sustainable future. Unlike traditional power grids, smart grids use informat
Economics
Deflation poses a serious threat to economic stability, negatively affecting the entire economy as prices continue to fall. This article will provide an in-depth analysis of the de
Robotics
Teleoperation lets a person control a distant machine directly, sending their hands and eyes where people cannot safely go. This article covers its origins in 1940s–50s nuclear lab
Business administration
Freemium is a pricing strategy that gives away a basic product or service for free and charges for better features, more capacity, or added convenience. This article covers where t
Statistics
The friendship paradox is the phenomenon in which most people's friends have, on average, more friends than they do. This article explains why it happens with a simple calculation,
Earth science
Plate tectonics is the theory that Earth’s outer shell is divided into rigid plates that move over a weaker layer, causing earthquakes, volcanoes, and mountain ranges. This article
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
Chemistry
Chemical processes play an essential role in modern industry and occupy a central position across a wide range of industrial sectors. This article covers topics ranging from the ba
Physics
Why does a free kick bend and a curveball drop? This article covers Newton's tennis ball, Magnus's cylinder experiment, the pressure difference created by spin, its uses in sports
Tourism studies
Why do residents' smiles toward tourists turn into sighs as tourism grows? This article covers the background of Doxey's Irritation Index, its four stages of euphoria, apathy, anno
Psychology
Why does help often arrive more slowly when more people are watching? This article covers the case and classic experiments that launched research on the bystander effect, the three
Library & information science
How do you find the studies that have cited a paper you are reading? This article explains how Eugene Garfield's citation index came about and what it is, how to search backward an
