[TheForge] Spectroscope <== Sent by mistake, Sorry

Wed Apr 23 22:45:01 2003

Somehow my computer hiccoughed and sent this to TheForge,  Don't know why.

Sorry for the inconvenience.

Albin

----- Original Message -----
From: "Albin F. Drzewianowski" <[email protected]>
To: <[email protected]>
Sent: Wednesday, April 23, 2003 10:28 PM
Subject: Re: [TheForge] Spectroscope

>
> ----- Original Message -----
> From: "Bruce Freeman" <[email protected]>
> To: <[email protected]>
> Sent: Tuesday, January 21, 2003 3:51 PM
> Subject: [TheForge] Spectroscope
>
>
> While lecturing y'all about the lack of UV emmissions from a forge fire, I
> was thinking how nice it would be if everybody had a spectroscope so they
> could see these things for themselves (not the UV, of course, but the lack
> of intensity in the purple-end of the spectrum from a forge fire).
>
> Well, it occurred to me that a compact disk is a pretty good
reflection-type
> diffraction grating, as anyone can tell from the rainbow colors they
> produce.  So I did a google search, and lo and behold, someone thought of
it
> already!  The following gives detailed instructions how to build your own
> spectroscope from a CD and misc. other trash:
>
>
http://www.scitoys.com/scitoys/scitoys/light/cd_spectroscope/spectroscope.ht
> ml
>
> Enjoy.
>
> Bruce
> NJ
>
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