What do oil company executives, vampires and NASA bureaucrats all have in common? They fear solar energy.

Even if we mortgage the next 100 years of generations of human beings, we would not have enough energy to build a Death Star.

Chemistry is the melodies you can play on vibrating strings.

Futurism today is led by science-fiction writers, by sociologists, by historians. Now, I have nothing against them. I'm sure they do great work. But they're not scientists. They're clueless.

In the future we'll be able to mentally contact anybody we want, see whatever image we want. And when we don't like it, we'll just turn it off.

My point is, no one can stop the Internet. No one can stop that march. It doesn't mean that it's going to be smooth, though.

I got a four year scholarship to Harvard, and while I was there they wanted to groom me for work in the Star Wars program designing weapons ignited by hydrogen bombs. I didn't want to do that. I thought about how many scientists had died in World War II.