Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. David Kindness is a Certified Public Accountant (CPA) and an expert ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Despite being a public health priority for several years, Dallas County continues to struggle to prevent new HIV cases. But a new coalition between Parkland Hospital, the Dallas County criminal ...

The Department of Homeland Security will launch a new artificial intelligence–driven platform on Thursday designed to reshape how immigration enforcement decisions are made, including who may be ...

Abstract: In this paper, a practical ambient-frequency-data-based inertia estimation method using a physical equation is proposed and validated by real measurement data from Hawaii island grids. With ...

The FTC is investigating how companies use personal and behavioral data to set individualized prices. Critics say surveillance pricing threatens consumer welfare and may cross constitutional lines. A ...

ExpressionSolver is a modern C++ library that enables symbolic representation, manipulation, and evaluation of mathematical expressions. It supports automatic differentiation, equation systems, and ...