I think one thing that always fascinated me was how anchored Asimov was in reality. I began reading 'The Gods Themselves' which Asimov wrote as a response to an

I think one thing that always fascinated me was how anchored Asimov was in reality. I began reading 'The Gods Themselves' which Asimov wrote as a response to another writer (whose name escapes me) using a Isotope which couldn't exist and ignoring the science related ties that it would mean. His science fiction was always speculative, but in as many places as possible it was anchored to the reality he knew. Simple amazing. Oh, and yeah, Google is scary how big, powerful, and... omnipresent it has become.