Dot Physics on MSN

Expressing Spherical Unit Vectors in Cartesian Form

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 ...

Pfizer – TrumpRx deal boosts Big Pharma to a record rally

The biggest pharma stocks in the world posted record gains this week, as Pfizer (NYSE:PFE) reached a landmark drug pricing ...