3D graphics are made up of little more than very complicated math. With enough time, you could probably compute a ray marching by hand. Or, you could set up Excel to do it for you! Ray marching is a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

TIOBE Index for January 2026: Top 10 Most Popular Programming Languages Your email has been sent January’s TIOBE Index begins the year with familiar names still setting the pace, but the underlying ...

Jan. 21, 2026 A major global study suggests that a hidden mismatch between two common blood tests could quietly signal serious trouble ahead. When results from creatinine and cystatin C—two markers ...

Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...