It's definitely still a science. For example, there are still basic fluid-mechanics questions we don't fully understand about how plasmas behave. Also there's t

It's definitely still a science. For example, there are still basic fluid-mechanics questions we don't fully understand about how plasmas behave. Also there's this journal: http://www.ans.org/pubs/journals/fst/ http://www.ans.org/pubs/journals/fst/ Disclaimer: I worked in a fusion lab in undergrad.