Re: your second-to-last sentence: it may well be that many scientists appear as if they are technicians applying existing knowledge to test theories. But that i

Re: your second-to-last sentence: it may well be that many scientists appear as if they are technicians applying existing knowledge to test theories. But that is partly because the only way to go beyond accepted theories is often to find where those accepted theories start breaking down, and then see how they break down.