Sean Carroll

He was a grad student at Harvard who just graduated, did all the heavy lifting on this and other projects, and he was fantastic.

So he got the right answer after other people's got it wrong.

OK, that's the whole idea.

I would have loved to do the heavy lifting, but for his sake, I needed to let him have that experience.

You know how it is.

I absolutely do.

You know, this is something that was hugely important for me in my career.

The arrow of time is just the fact that the past and future are different from each other, right?

Like I can have photographs of the past.

I cannot have photographs that are truly representing what happens in the future.

AI's got your future.

Lord Chuck can do it, but I can't do it.

So, you know, why is this true?

And Aristotle wouldn't even have had the question.

They're just different things.

Why is an elephant not an orange?

What are you even asking?

But once Isaac Newton comes along with his theory of physics, suddenly the distinction between the past and future disappears.

These equations don't

treat the past and future differently.