I think the really cool and compelling thing about math and physics is that it opens up entry to all these hypotheticals - or at least, it gives you the language to talk about them. But at the same time, if a scenario is completely disconnected from reality, it's not all that interesting.

I read comics and I did science, and never really put them together until I accidentally found myself in the middle of one.

What people don't appreciate, when they picture Terminator-style automatons striding triumphantly across a mountain of human skulls, is how hard it is to keep your footing on something as unstable as a mountain of human skulls. Most humans probably couldn't manage it, and they've had a lifetime of practice at walking without falling over.

I've always thought that one of the the great thing about physics is that you can add more digits to any number and see what happens and nobody can stop you.

Once I got married, I started working from an office. I found that having somewhere to go that isn't my house is mentally helpful: 'This is the place where I answer email and write blog posts,' and 'over there is the place where I do the dishes.

The universe is probably littered with the one-planet graves of cultures which made the sensible economic decision that there's no good reason to go into space-each discovered, studied, and remembered by the ones who made the irrational decision.

The universe is probably littered with one-planet graves