Here is a link to an episode of The Nature of Things that focuses on some very cool aspects of sound.

Some of it relates to acoustics in our rooms. Its full of stuff that interested me in general. Thought I would share.

http://www.cbc.ca/natureofthings/episodes/sonic-magic-the-wonder-and-science-of-sound

I caught some of that episode several days ago. It's very interesting indeed.

Wow thanks Serenity.
I forgot Suzuki was from Vancouver Canada my city's all over this episode.

Isnt the guy that can see with clicks amazing.