I would say that specifically what "classical" means depends on the context, with what is classical being contrasted. In a more general way we could probably say something like, classical physics is not quantum and not relativistic. To say that in language for people unaware of the meanings of...
I enjoyed reading this. I think I saw this guy on Colbert, probably pushing a book, but I also remember seeing video of the people being dropped while watching for the numbers. Or perhaps that's just a perception I have formed based upon sensory data arriving too fast that it got smeared into...