I am retired with a scientific background in Mathematics and Physics though I quit Academia after graduation. Recently, my interest has revived and I have started to review what I knew before and learn new stuff. My interests are in Physics and Mathematical Physics. I hope I can find answers to some of my questions here and perhaps in the future, I can also answers some questions.
How have I arrived here? During the past two months, I have been doing some online research to find the best...