Questions of transparency

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Article #3842

#3842

From: david sixsmith (contractor)
Date: Wed, 23 Sep 1992 07:18

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Could anyone answer for me the following questions

1. What is (are) the inherent qualitie(s) of a substance, such as glass,
perspex, diamond, & water, which make it transparent ?

2. What is the mechanism which makes the speed of light lower when travelling
in such a medium as opposed to traveling in a vacuum ?

Thanks

--
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| Dave Sixsmith                       |  Disclaim, disclaim, disclaim, etc.    |
| Bristol, England                    |                                        |
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From: davids@spira.bri.hp.com (david sixsmith (contractor))
Date: Wed, 23 Sep 1992 07:18:25 GMT
Subject: Questions of transparency
Message-ID: <1992Sep23.071825.4702@hplb.hpl.hp.com>
Organization: Hewlett-Packard Laboratories, Bristol, England
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