oh, okay, sorry about that. I'm still in early stages of learning QED. I have a lot of questions, but I'd need to study more before I can feel comfortable asking.
Is necro-threading considered bad practice in this forum? I've just had the same questions as the OP as I was watching a lecture by Feynman, which I believe could be the one the OP mentioned. See here: . He is talking about how Newton was puzzled with the results of thin film reflection, and...