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Article #97Re: nasa-celebrates-successful-mars-landing
From: Jeff Liebermann
Date: Mon, 13 Aug 2012 06:52
Date: Mon, 13 Aug 2012 06:52
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2915 bytes
On Sat, 11 Aug 2012 23:22:35 -0700, Jon Kirwan <jonk@infinitefactors.org> wrote: >My intent is to only use parts that a student can afford to >buy and OWN at home. Is $30 too much? <http://shop.breadpig.com/collections/publiclaboratory/products/desktop-spectrometry-kit> <http://spectralworkbench.org> I've been using a piece of DVD-RW grating over the lens of my cell phone camera as a spectrometer for looking at LED lighting. Not great, but usable. Most 12 year olds and up have cell phones, usually with cameras. <http://www.news.illinois.edu/news/10/1007scheeline_spectrophotometry.html> Now, getting the picture out of the cell phone camera is another story. However, if you want cheap, diffraction grating glasses at $30 for 50 glasses: <http://www.ebay.com/itm/280806593566> -- Jeff Liebermann jeffl@cruzio.com 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558
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From: Jeff Liebermann <jeffl@cruzio.com>
Newsgroups: sci.electronics.design,aus.electronics,comp.arch.embedded
Subject: Re: nasa-celebrates-successful-mars-landing
Date: Sun, 12 Aug 2012 23:52:09 -0700
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