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.

I have been struck again and again by how important measurement is to improving the human condition.

Personal computing today is a rich ecosystem encompassing massive PC-based data centers, notebook and Tablet PCs, handheld devices, and smart cell phones. It has expanded from the desktop and the data center to wherever people need it - at their desks, in a meeting, on the road or even in the air.

My guideline has always been to avoid a focus on me personally. Not because of any deep, dark secrets. Rather just a sense of privacy.

In almost every job now, people use software and work with information to enable their organization to operate more effectively.

The two areas that are changing... are information technology and medical technology. Those are the things that the world will be very different 20 years from now than it is today.

The current information revolution is a cultural revolution, a social revolution, a thoroughgoing technological revolution that involves not just information, but labor, leisure, entertainment, communication, education, culture and thus is part of a major cultural and social shift.