My browser tabs are again full of links that I haven't fully digested. I need a place to file them, so I'm putting them here so I can hope to remember them for future reference.
Equation behind noise canceling headphones - probably over-simplified, but neat to see on Wired nonetheless.
Tibetan singing bowls - this was all over physics/science/tech blogs this week. It's interesting, but not so much for the acoustics and/or the videos. The fluid dynamics presented in the paper is the really interesting stuff here.
Earliest known recording discovered - very cool story, more links from the metafilter post on the topic.
Demo of Air Temperature on Wind Instrument Tuning - Here's something you can use in a classroom demo. Simple and elegant.