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

Andover-based Physical Sciences Inc. has leased the 67,000-square-foot building and bought much of Factorial’s equipment ...

Have you ever grouped data in Excel only to find your months sorted alphabetically instead of chronologically? It’s a frustrating quirk of the GROUPBY function, one that can turn a clean dataset into ...