Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

The Powerball jackpot has grown to $1.60 billion after no one won Saturday's drawing. The next drawing is scheduled for Monday, Dec. 22, 2025, at 10:59 p.m. ET. This jackpot ranks as the ...

The next Powerball jackpot is an estimated $1.50 billion after no one won Wednesday's drawing. This jackpot ranks as the fifth-largest in Powerball history and the seventh-largest overall in the U.S.

I’m 72 years old and have my IRA in stock. I start required minimum distributions next year so I want to convert to a Roth IRA. How much should I convert? Should I do it all at once or should I do it ...

Eeny, meeny, miny, mo, catch a tiger by the toe – so the rhyme goes. But even children know that counting-out rhymes like this are no help at making a truly random choice. Perhaps you remember when ...

Send a note to Doug Wintemute, Kara Coleman Fields and our other editors. We read every email. By submitting this form, you agree to allow us to collect, store, and potentially publish your provided ...

Have you ever spent countless hours wrestling with Excel formulas, trying to convert “one thousand two hundred” into “1,200” or vice versa? For years, this task has frustrated professionals across ...

Apple's Numbers spreadsheet for Mac, iPhone, and iPad, is not as powerful as Microsoft Excel, but most users will be hard-pressed to find its limitations — and will immediately see how much easier ...

The odds of winning the Powerball are a dismal 1 in 292,201,338. Still, millions of people take a shot at a dream three times a week and play for a chance to match the numbers on the five white balls ...

Python’s new template strings, or t-strings, give you a much more powerful way to format data than the old-fashioned f-strings. The familiar formatted string, or f-string, feature in Python provides a ...