A thousand thank you's to my colleagues, Greg DeCubellis and Ben Revkin, our resident tech experts, in helping me figure out how to record my voice over my power points. It worked, and I uploaded the new version on Sophia.org. Now my students won't have to download the presentation which may cause problems with different operating systems.
View Ben's comment (Magister Revkin) on my last post as to how to do it on the MacBook Airs.
It's getting a bit windy now!