Apple Inc. has expanded their collaboration with top US colleges and universities, such that course lectures, talks, music etc. by members of Stanford University, UC Berkeley, MIT, and other leading universities, are made available for free from the iTunes store.
This place is called iTunes U.
It would be interesting to hear, which lectures you’ll start downloading. For a philosophers take on quantum mechanics, you could start with
“The Strange World of Quantum Reality”, by Jenann Ismael (Stanford philosophy talk).