Another podcast while driving. This means the quality is not that high. I apologize. Now the main trust of development is to support my rehab, and thus the quiz format. Making the quiz means you have to make a call and condense the vague ideas out there that are never quite addressed if you are at sea diplomatically with teachers. They have really incomplete knowledge and it doesn't smoothly link with further study. The question asked is what they are teaching 80 % right, and from some angles yes it is from others no it is not. The problem is catching them before they have taught the lessons for a number of years and set test questions that reinforce the errors. It really sets up and echo chamber of errors. I also look at the meager progress on simple experiments that dumbfound the mind. MP4 recording     MP3 recording -- -- Your browser does not support the audio element.