Some time ago we visited the Minnesota Museum of American Art to look at the work of artists working with sound "Sound in Art Art in Sound"
http://www.mmaa.org/Sound_in_Art_Art_in_Sound.html
Margaret wrote about the exhibit here: http://ltc.smm.org/pie/node/163

I was very very interested in the work by Leif Brush, a sound artist from Minnesota who collaborating with his wife created "recordings" of the sound of frost forming on a window pane.

I'm playing around with the Musical Graphiti activity for the Sensor Garden Atelier coming up... Margaret and Keith developed this, and I wanted to make some nice programs to use the morning we do the activity in the workshop. Here's the setup. Margaret got some different drawing tools for us to try, and it seems like the Cretacolor Monolith 9B (extra soft) works really well. A regular pencil is ok, but it's more fun with this graphite stick.

Finally!