The idea that you can contribute is really important, especially for a kid.

We've found that the biggest thing as far as the danger is simply pressure.When we work with explosives, we've got bomb technicians there, bomb-squad guys who go into unknown situations all the time, and they've dealt with it safely.

There are a lot of times when we can just time something and say "busted" or "confirmed" or whatever, instead of building a robot or some gadget to make it happen more elaborately. In those cases, we're simply enjoying ourselves.

Science isn't just for scientists and guys in lab coats. It's something that everybody can do.

There are a lot of things that I'd do differently. But I can't imagine being more fortunate than I have been.

When I figured that I could do anything if I was simply methodical about it. I went to the library - and this was before the Internet - and I searched for a career that was creative, would not fall into a routine, involved problem solving and making things. It also had to be dynamic. I came up with special effects.

Fun for us just happens to be screwing around with anything that gets our attention and is thought-provoking.