At the Houston Museum of Natural Science they recently made a disturbing discovery: their Foucault pendulum had stopped ...

The pendulum at the museum is attached to a 61-foot-long cable. It typically swings as the Earth rotates, knocking down pegs, until it suddenly stopped this month. The Houston Museum of Natural ...

This video reveals how tensors quietly power the mathematics behind the physical world, from motion and forces to space, time, and modern physics. Learn what tensors really are, why they appear ...

After a full year of hectic news, original trends and nonstop content, Merriam-Webster has summed it all perfectly in one word: “slop.” On Dec. 15, Merriam-Webster announced “slop” as the 2025 Word of ...

While SIMPLE IRAs are in some ways similar to their cousins, traditional and Roth IRAs, they also share some features with workplace retirement plans such as 401(k)s. Understanding your plan's rules ...

To understand why the United States is struggling to buy and field the weapons of the future, consider the trouble it had buying the most basic weapon of the past. In 2011, the Army decided to get its ...

If you're looking for investors or want to sell your business, you must determine its value. Follow these four steps to calculate it. Most entrepreneurs put their hearts into their businesses; but, ...

The simple interest formula is Interest = P * R * T. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain actions on our ...

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has ...