[Serious] Generally speaking, is philosophy a worthwhile subject of study?

[Belacqua]

throwing a bit more philosophy into the debate to improve open mindedness and perspective

I've heard a few things like this, but I don't know enough about physics to understand specifics. Can you tell us a few examples of what could be relevant?

A while back I did see an article (not technical at all) suggesting that given recent discoveries about quantum physics, it would make sense to take seriously again Aristotelian ideas about act vs. potency, and think of potentialities as really existing things. (If that sounds confused, it's my fault, since I don't know enough to describe it effectively.) 

It's interesting to me that the generation of really famous physicists -- the household names -- was far more educated in and open to philosophy than many of the current crop. Einstein cited influence from Schopenhauer, Heisenberg claimed that physics shows Plato was right, and wrote an entire book on physics and philosophy.