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Glow bacteria nightlight
This is pretty dang cooool...

http://hackaday.com/2013/04/18/living-night-light-with-glowing-algae/
The permaculture playing cards make great stocking stuffers: http://richsoil.com/cards


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All times above are in ranch (not your local) time.
The current ranch time is
Dec 12, 2017 22:07:07.