The electronic configuration of these excited states are dictated by quantum mechanics, but one principle has stymied advances in OLED technology: Hund’s rule holds that for a given electron ...

The 80-20 rule, also known as the Pareto Principle, is a familiar saying that asserts that 80% of outcomes (or outputs) result from 20% of all causes (or inputs) for any given event. In business ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University ...

The Pareto Principle is a concept in business and economics that states that 80% of outcomes are driven by 20% of causes. Sometimes, it's referred to as the 80/20 rule. Understanding the Pareto ...