Before we understand science, it is natural to believe that God created the universe. But now science offers a more convincing explanation.

If a superior alien civilization sent us a message saying, 'We'll arrive in a few decades', would we just reply, 'OK, call us when you get here - we'll leave the lights on'? Probably not - but this is more or less what is happening with AI.

It is my view that the simplest explanation is there is no God. No one created the universe and no one directs our fate. This leads me to a profound realization. There is probably no heaven, and no afterlife either. We have this one life to appreciate the grand design of the universe, and for that, I am extremely grateful.

The idea of 10 dimensions might sound exciting, but they would cause real problems if you forget where you parked your car.

Why do we remember the past, but not the future?

Observations indicate that the universe is expanding at an ever increasing rate. It will expand forever, getting emptier and darker.

I don't want to write an autobiography because I would become public property with no privacy left.