info002 _again thanks to liubo

hypersonic sound:

http://www.atcsd.com/site/

http://www.usatoday.com/tech/news/techinnovations/2003-05-19-hss_x.htm

tracking / separation

http://cs.nyu.edu/~jhan/tracking/index.html

biothing+maxmsp

http://bitforms.wetpaint.com/page/_cellular+symphonic


++spotting area vs making field

a cool field condition:
puff bang reverb