I really like this set of videos for explaining the KF. I 'got it' more than I did with the material on the original post. https://www.youtube.com/watch?v=CaCc

I really like this set of videos for explaining the KF. I 'got it' more than I did with the material on the original post. https://www.youtube.com/watch?v=CaCcOwJPytQ https://www.youtube.com/watch?v=CaCcOwJPytQ