In theory, cars are fairly simple. If they don't start, it's either the fuel system or the electrical system. Teach yourself about the path of each in your engine and tracing it is fairly straightforward. But at the beginning, mastering each new system seems like an unreachable shore. The car is effectively a black box.

The 'Mythbusters' crew, we monitor the Discovery boards, we look for the new ideas that are being forwarded on those boards, and we keep track of what's going on, we keep updated.

Technology is usually there to let some process go on hidden in the background. For us on 'MythBusters,' we're always trying to make the process apparent. So, we have learned to try and never rely on a technological solution when an analogue one is in front of us.

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.

I think one of the defining moments of adulthood is the realization that nobody's going to take care of you. That you have to do the heavy lifting while you're here. And when you don't, well, you suffer the consequences.

I'm a lifelong movie addict, and one of my favorite projects is making replica props and costumes. Nearly every one of these - from R2D2 to Hellboy's revolver - ends with the paint job. And it's not just cosmetic. The paint literally tells a story: what this thing is made of, where it's been, what it's been used for, and for how long.

Firemen have the coolest toys ever!