Hello, SFIA audio listeners. In this month's Nebula exclusive, big alien theory,

we're asking the reason alien civilizations might be rare is because most aliens are huge.

To hear it and every episode early and ad-free, plus hours of bonus content,

check out go.nebola.tv slash Isaac Arthur and use my code, Isaac Arthur.

Good afternoon, everyone, and welcome to Science and Futurisms Monthly live stream

Q&A on October the 29th. We're going in just one moment, though we keep having some minor

technical issues, so it might be a little bit glitchy as we get used to it, which, to be

fair, happens a lot of the time. So as usual, we are joined by my lovely wife and co-host, Sarah

Fowler author, who will be reading off your questions from the audience, and we'll go ahead

and get started with those whenever you guys are ready.

You mean whenever the phone actually works to pull them up. Let me see, I can bring

them up to actually ask questions off of instead while I move that around.

I got a new phone.

And it won't let me log into anything.

So, Imagination ship asks, which do you think is more plausible to come to fruition?

FTL or multiverse travel.

And I would say that I'd be a little bit more believable about multiverse travel just because

Generally speaking FTR requires to violate known rules whereas

We don't know how to actually get into touch with the kind of multiverse or detecting multiverse so we don't know if there's going to be

Any way to get between them if they exist and in a meaningful sense you should be able to travel to them So either we don't know if there's going to be any way to get between them. If they exist and in any meaningful sense you should be to travel to them.

So either they don't exist and you can't travel to them or they do exist and you probably

can.

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