A maths optical illusion is a fascinating trick where numbers, shapes, or patterns deceive our brain into seeing something different from the mathematical reality. These illusions use geometry, ...

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 ...

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 ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Value adds transform products, making them unique and allowing higher pricing. A strong value add creates a competitive advantage and market differentiation. Investors should assess companies' value ...

DDM values stocks based on sum of all future dividends using a company's cost of capital. Most common DDM, the Gordon Growth Model, calculates stock price by dividing next year’s expected dividend by ...

Gently singing Twinkle, twinkle, little star may lull a baby to sleep, but beyond the confines of Earth’s atmosphere, the words aren’t exactly accurate. A correct, albeit less soothing, rendition ...

Workforce: Administration reports 4,108 federal layoffs; unions challenge in court. (Historically unusual vs. prior furlough-only lapses.) On peak-stress days, stacked effects can push shutdown costs ...