On Mon, 2 Jun 2003 19:28:08 -0400, "katysails"
wrote:

Mark,
To tell you tyhe truth most physics except for the most elementary gopes way
over my head. I looked it up because I wanted to see what it was. Does
light make noise, too? Will a spectagraph give off sound?

Not all noise is auditory. Consider this newsgroup, for example...

S/V Cat's Meow
http://www.catsmeow.org