You and I are made of stardust. We are the stuff of exploded stars. We are therefore, at least 1 way that the Universe knows itself. That, to me, is astonishing.

My father was a very good Boy Scout. He was very skilled with knots, and he showed me how to tie a bow tie.

Bicycling is a big part of the future. It has to be. There's something wrong with a society that drives a car to work out in a gym.

I am so old, I entered engineering school with a slide rule. And I left engineering school with a calculator. I can still use a slide rule but it's not a skill you especially need anymore.

The future of commerce is going to be all electronic. The gold standard was a fine idea, but electronic changes of funds and credits will be the future.

Unlike science, creationism cannot predict anything, and it cannot provide satisfactory answers about the past.

There's nothing I believe in more strongly than getting young people interested in science and engineering, for a better tomorrow, for all humankind.