How many times have we heard from “experts in the field” say it can’t be done, and then new advances solve the problem? When I hear an expert say, “...and that

How many times have we heard from “experts in the field” say it can’t be done, and then new advances solve the problem? When I hear an expert say, “...and that may never change,” I interpret it to mean, “I don’t know how to solve it.”