Re: Pinhole Daily Digest

robblack@ix.netcom.com
Tue, 20 May 1997 22:02:09 +0000


From: robblack@ix.netcom.com
Date: Tue, 20 May 1997 22:02:09 +0000
To: Pinhole Listserv <pinhole@exploratorium.edu>
Subject: Re: Pinhole Daily Digest

Will someone please tell me why the H-R Diagram for stars has the
temperature backwards?
Also an ad in Silvo Hardware Catalog...Clear Wave water conditioner
"uses electromagnetic waves to treat every drop of water...attach it to
any type of pipe...system receives inaudible sonic pulses that prevent
calcium and other deposits from adhering to pipes, softening
water...clears pipes of scale...." hog wash or poor science writing?
curious, Heidi
Oak Grove High School