Vibrations and how they get to your ears.
Noise for airports is a blog about culture, sound, music, and technology.
You can filter the posts to see just things I wrote or made.
Updated (sometimes) by Nick Seaver.

Click through to hear a Mathematica-generated sound file of what the early seconds of the universe might have sounded like.
Assuming, of course, that there were ears then, and that they could hear frequencies that are subsonic to us.
(via believekevin)