If we could convert 0.03 percent of the sunlight that falls on the earth into energy, we could meet all of our projected needs for 2030.

I consider myself an inventor, entrepreneur, and author.

We appear to be programmed with the idea that there are 'things' outside of our self, and some are conscious, and some are not.

Machines will follow a path that mirrors the evolution of humans. Ultimately, however, self-aware, self-improving machines will evolve beyond humans' ability to control or even understand them.

People talk philosophically, Oh, I don't want to live past 100.' You know, I'd like to hear them say that when they're 99.

By 2009, computers will disappear. Displays will be written directly onto our retinas by devices in our eyeglasses and contact lenses.

Play is just another version of work