I've worked with AI for decades and have a master's degree in education. Here are the top free AI courses online that I recommend - and why.

Overview: SQL remains a core skill for data management across industries in 2026Free courses build fundamentals while paid ...

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 ...

The updated version of this lesson (June 2024) was developed with the assistance of David Palmquist and Scott Peterson.