Quote of the Day

Never worry about theory as long as the machinery does what it's supposed to do. -- R. A. Heinlein

Hrmmm.  Good practical advice, but also a good way to get blindsided.  I recall my graduate advisor saying something along the lines "If you don't really understand it, it WILL come back to bite you in the ass," and looking back, experience has confirmed this.  I guess that's the difference between engineering and physics.