This is a basic syllabus point to be handled in the modern 2020 HSC. I tell the story of Jemimia Puddle duck who is a simpleton and go through the awe of people who don't understand their own limitations unwittingly passing on those limitations. This is intergenational ignorance of the most profound and heart renching type. Luckly, Elon Musk has a cadre of engineers who are better educated than our kids, and 5G is beaming information in personalized form. I only lament the opportunity cost of schooling students in counterfeit, tribute science. MP4 recording     MP3 recording -- -- Your browser does not support the audio element.