Ali Hussain has a background that consists of a career in finance with large financial institutions and in journalism covering business. Ryan Eichler holds a B.S.B.A with a concentration in Finance ...

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 ...

Ask someone where outer space is, and they’ll probably point at the sky. It’s up, right? Simple. Except, no one really knows where “air space” ends and “outer space” begins. That might sound trivial, ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Robert Kelly is managing director of XTS Energy LLC, and has more than three ...