A 200-Year-Old Law of Physics Breaks Down at the Atomic Scale

Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot ...

This Quantum Gas Refuses To Follow the Rules of Classical Physics

Researchers at TU Wien have developed a one-dimensional “quantum wire” using a gas of ultracold atoms. In this system, both ...
Investopedia

Understanding Ability-to-Pay Taxation: A Progressive Tax Principle

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. The ability-to-pay principle is also known as progressive taxation. Ability-to-pay taxation ...
Investopedia

Ability to Pay Principle in Tax Law: Comprehensive Guide & Examples

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...