The best-case scenario is that the glass shatters in my face! How do you think that makes me feel?

I am incrementally a pessimist, but I see the international debate that Edward Snowden has engendered, and I think this is exactly where the discussion should be. So, I would say I'm more optimistic than pessimistic.

These are people from everywhere, from Lawrence Livermore and JPL and Sandia National Labs, the FBI, all over the place, real scientists who see what we're doing, and they consistently thank us. "I agree your results aren't always right," they'll say, "but your methods are clearly showing that science is a re-creative process, and it's an interesting process because it's messy, and no other shows show that."

The idea of an ordered and elegant universe is a lovely one. One worth clinging to. But you don't need religion to appreciate the ordered existence. It's not just an idea, it's reality. We're discovering the hidden orders of the universe every day.

After all those years of doing remote detonations, where we just push a button and something explodes, to actually see a nice big fat line of black smoke heading toward something that will blow up is very satisfying.

From earliest times, humans - explorers and thinkers - have wanted to figure out the shape of their world. Forever, the way we've done that is through storytelling. It is difficult to let the truth get in the way of a good story.

Growing up in New York, I was sort of shocked when I realized that my children are Californians. They are 14 years old, and I explain to them frequently that they will never realize the glory of a snow day. You wake up and the world says, 'Oops, it's too much fun to go to school, you've got to stay home and deal with the snow!'