Quantum w/Philosophy and Metaphysics? How do these topics tie in with each other?

Foreword

There is a great riddle hidden somewhere in this great land. The Earth is a large place, with China, and Europe, and Mideast, and Aussie, and Canada, and so many nations. But I think it is important to take a break from all of the craziness that goes along with the world and go down the path less travelled. The microscopic universe. As well as that which is still unknown to most all of us. So I will start, and beg the question, how does a subject such as Quantum mechanics and/or nanotech tie in with something like philosophy?! How do the two relate? And how would those subjects go together along with something like metaphysics!? First of all, what is metaphysics? The t
Please discuss if you have a moment. A moment like this cannot be passed by, it's like love. I've got a heartbreak...one that doesn't have anything to do with things, except with the love of alternative science. So don't leave me hanging!