Elon Musk: 'Chances are we're all living in a simulation'

Billionaire entrepreneur behind Tesla, SpaceX, PayPal and Hyperloop discusses Mars, driverless cars and going into orbit

Elon Musk wears many hats. He's the co-founder of online payments behemoth PayPal, the founder of private space flight pioneers SpaceX, the chief executive of electronic car manufacturers Tesla, and the original doodler of utopian transport concept Hyperloop. He's also outspoken about the dangers of AI research, the need for blue-sky thinking in technology, and his desire to colonise another planet.

So it's no surprise that over the course of an interview at California's Code conference, Musk revealed a number of things we didn't know before. Here's some of them.