Date: Mon, 6 Jul 1998 12:14:34 -0700 (PDT)
Message-Id: <l03110702b1c670c69355@[192.174.3.228]>
To: pinhole
From: Eric Muller <emuller@exploratorium.edu>
Subject: Re: pinhole I see fireworks
>X-Sender: pauld@isaac
>Mime-Version: 1.0
>Date: Mon, 6 Jul 1998 07:51:28 -0800
>To: "Mr. A. Patriot" <emuller@exploratorium.edu>
>From: pauld@exploratorium.edu (Paul Doherty)
>Subject: Re: pinhole I see fireworks
>
>A. Patriot
>
>Definitely look at firworks through a diffraction grating.
>Most cool dude!
>
>Fireworks get their color by adding chemicals to the gunpowder.
>copper when heated to a high temperature in a gunpowder combustion emits
>green light, essentially each element converts thermal energy to light with
>a unique spectrum.
>This is the reason that the flame tests of chemists work.
>
>A. physicist.
>
Eric Muller
Teacher-In-Residence
Exploratorium
3601 Lyon St.
San Francisco, CA 94123
415-561-0313
email:emuller@exploratorium.edu