News networks giving a greater voice to viewers because the social web is so popular are like a chef on the Titanic who, seeing the looming iceberg and fleeing customers, figures ice is the future and starts making snow cones.

If at first you don't succeed, that's one data point.

Space is about 100 kilometers away. That’s far away—I wouldn’t want to climb a ladder to get there—but it isn’t that far away. If you’re in Sacramento, Seattle, Canberra, Kolkata, Hyderabad, Phnom Penh, Cairo, Beijing, central Japan, central Sri Lanka, or Portland, space is closer than the sea.

One of the things I've learned with doing 'xkcd' is that you sort of give people, 'Here's the thing, and here's the button you can press to get another thing.' Sometimes that can be more easy to digest than, 'Here's a long page of things.

I don't have hard numbers about this, but the impression I get is that the amount of eyeballs you get from being on the humor shelf at Barnes & Noble - it is almost insignificant.

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

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.