An asteroid or a supervolcano could certainly destroy us, but we also face risks the dinosaurs never saw: An engineered virus, nuclear war, inadvertent creation of a micro black hole, or some as-yet-unknown technology could spell the end of us.

What most people know but don't realize they know is that the world is almost entirely solar-powered already. If the sun wasn't there, we'd be a frozen ice ball at three degrees Kelvin, and the sun powers the entire system of precipitation. The whole ecosystem is solar-powered.

Nobody wants to buy a $60,000 electric Civic. But people will pay $90,000 for an electric sports car.

If you go back back a few hundred years, what we take for granted today would seem like magic - being able to talk to people over long distances, to transmit images, flying, accessing vast amounts of data like an oracle. These are all things that would have been considered magic a few hundred years ago.

I don't think very highly of Henrik Fisker. [...H]e thinks the reason we don't have electric cars is for lack of styling

Self-driving cars are the natural extension of active safety and obviously something we should do.

When something is important enough, you do it even if the odds are not in your favor.