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 ...

For weeks earlier this year, the Army’s top uniformed lawyer had been raising legal concerns inside the Pentagon about some of the new policies being rolled out dictating how the military can be used ...

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 ...

A Salmonella outbreak in the UK that has sickened more than 120 people could be linked to imported eggs, according to initial investigations. The link to eggs was made through patient interviews and ...

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. Andy Smith is a Certified Financial Planner (CFP®), licensed realtor and educator with over ...

The truth-serum answer: I honestly don't believe there's a clear-cut front-runner. Everyone has flaws. There are no unbeatens, and only four teams have one loss. The Bills and Eagles have each lost ...

Angelica Leicht is a seasoned personal finance writer and editor with nearly two decades of experience but just one goal: to help readers make the best decisions for their wallets. Her expertise spans ...

But Why is a show led by kids. They ask the questions and we find the answers. It’s a big interesting world out there. On But Why, we tackle topics large and small, about nature, words, even the end ...

Eric Katz writes about federal agency operations and management. His deep coverage of Veterans Affairs, Homeland Security, the Environmental Protection Agency and U.S. Postal Service has earned him ...

In tweaking its chatbot to appeal to more people, OpenAI made it riskier for some of them. Now the company has made its chatbot safer. Will that undermine its quest for growth? By Kashmir Hill and ...

The Trump administration said that had the new prices been in effect last year, Medicare would have saved $12 billion, which would have reduced its spending on those drugs by 44 percent. By Rebecca ...

People often use the terms “sex” and “gender” interchangeably, but this is incorrect. Sex refers to biological physical differences, while gender is how people identify. The use of binary terms such ...