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Article #105Re: nasa-celebrates-successful-mars-landing
From: Jon Kirwan
Date: Mon, 13 Aug 2012 17:52
Date: Mon, 13 Aug 2012 17:52
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3089 bytes
On Mon, 13 Aug 2012 15:01:24 -0700, Mark Borgerson <mborgerson@comcast.net> wrote: >In article <labh28dt456903pr8ktglq1du55em53hno@4ax.com>, >jonk@infinitefactors.org says... >> >> On Mon, 13 Aug 2012 04:52:24 -0700, Mark Borgerson >> <mborgerson@comcast.net> wrote: >> >> >In article <34je285htmmfscg6643s4qqlqdfjbchhbs@4ax.com>, >> >jonk@infinitefactors.org says... >> >> >> >> On Sat, 11 Aug 2012 23:22:35 -0700, I wrote: >> >> ><<SNIP>> >> >> We already use the sun as a source for transmission methods >> in a small box. A fluorescent yellow highlighter dipped a few >> times into distilled water, kept still transparent clear so >> very dilute, produces a beautiful green, for example. It does >> require a strong light source to be striking, so that's why >> the sun. >> > >Another good experiment might be to make up a chlorophyll >solution---think spinach and rubbing alcohol in a blender, >followed by a paper towel filter. (the paper towel filter >will also produce quite a nice paper chromatogram under the >right circumstances.) > >You will see some nice absorbtion spectra for the >chlorophyll and other pigments, you should also see a strong >fluorescence peak in the red when looking at right angles >to the sunlight. Yup, I also demontrate chlorophyll. I've been writing to scientists about this for such ideas. I could post up some pictures, I suppose. Jon
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From: Jon Kirwan <jonk@infinitefactors.org>
Newsgroups: sci.electronics.design,aus.electronics,comp.arch.embedded
Subject: Re: nasa-celebrates-successful-mars-landing
Date: Mon, 13 Aug 2012 10:52:00 -0700
Organization: Infinite Factors
Lines: 41
Message-ID: <vjfi28dcc0gu67evohq0373m4s7dcdiinf@4ax.com>
References: <8nv2289qsb9f4hdm1gbltsqurbor5adgga@4ax.com> <e3166248-bd2b-4503-a9fb-47f9881e61a0@j11g2000vbc.googlegroups.com> <h6h528drc8h9e7772prit4j5r3drmrlc1p@4ax.com> <MPG.2a90e557252381b598992f@news.eternal-september.org> <g9ie28pvm40bbkuln9a88ghbesarvgab1u@4ax.com> <34je285htmmfscg6643s4qqlqdfjbchhbs@4ax.com> <MPG.2a928a5364bea587989931@news.eternal-september.org> <labh28dt456903pr8ktglq1du55em53hno@4ax.com> <MPG.2a931903b8391223989932@news.eternal-september.org>
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