We've seen computers play chess and beat grand masters. We've seen computers drive a car across a desert. But interestingly, playing chess is easy, but having a conversation about nothing is really difficult for a computer.

We tend to think of science as finding equations, like E=MC2, that are simple and elegant. But maybe some theories are complicated, and we can only find the simple ones.

Similar to computer technology in the '60s, 3-D printing is a universal technology that has the potential to revolutionize our life by enabling individuals to design and manufacture things.

The moment somebody is making money off the recipes, that's when you'll see digital rights management around it.

I think, once recipes become digital, pirating a digital recipe and all the questions that you have with music and so forth will become pertinent to food as well.

If you gave kids peas that didn't look like peas and said they were a space shuttle, they're much more apt to eat them because it's now playtime.

Worrying about how you're going to make something is a huge constraint - most people can't make anything at home because it's too expensive.