Originally Posted by Danny Fekete
(Also, in honest curiosity and full cordiality, I was wondering what your field of study is, Harry. I didn't realise this was an area touching you personally, and if I've hurt your feelings with my approach in this conversation, please accept my sincere apologies.)
You haven't hurt my feelings in the slightest - I welcome open discussion of this or any other subject. Physics is my field (or used to be, to be more honest; I've given up the physics and the textbook writing these days).