The nuclear approach I'm involved in is called a traveling-wave reactor, which uses waste uranium for fuel. There's a lot of things that have to go right for that dream to come true - many decades of building demo plants, proving the economics are right. But if it does, you could have cheaper energy with no CO2 emissions.

The close relationships we form between researchers and product groups have already shown we can move the great ideas as they come along, without a schedule, into the products.

Effective philanthropy requires a lot of time and creativity - the same kind of focus and skills that building a business requires.

I set a rule that people weren't allowed to send good news unless they sent around an equal amount of bad news. We had to get a balanced picture. In fact, I kind of favored just hearing about the accounts we were losing because ... bad news is generally more actionable than good news.

In order for the United States to do the right things for the long term, it appears to be helpful for us to have the prospect of humiliation. Sputnik helped us fund good science - really good science: the semiconductor came out of it.

The kids are a big part of my schedule.

Philanthropy should be voluntary.