They're sound waves.

Zuyo wichasahe chaktelo. Or I went bad on them. If I wasn't copping all this crypto stuf… Well, you are not a scoundrel, Mr. Worth… I'm Pat Cronin. Il est curieux de constater qu'un mari t… And you don't have to carry around that… Katie? What do you mean, no? Yeah. Hey, these are too small for me. Are you a friend of hers? Even if we got out, they'd catch us by n… Dearly beloved, we are gathered here...… When it does that, it'll also bounce bac…