Here's a fascinating interview (about 30 minutes) with a physicist who worked at Stanford and Lockheed Martin.
In such a short time, the breadth of topics he covers is breathtaking, from quantum mechanics to religion, to philosophy and even the correct mindset to employ while driving.

It is quite an experience to witness the light of an unfettered and voracious intellect such as this.
http://video.google.com/videoplay?docid ... &plindex=9