http://librepensante.org/notes Fri, 08 Jan 2010 15:55:06 +0000 http://wordpress.org/?v=2.2 en Charkha http://librepensante.org/notes/?p=95 http://librepensante.org/notes/?p=95#comments Fri, 08 Jan 2010 15:52:43 +0000 admin http://librepensante.org/notes/?p=95 The charkha is a portable hand-cranked spinning device used to make thread and yarn. Gandhi invented the charkha in order to promote self-sufficiency and to boycott the cloth and fibers of the ruling British government of the time.

http://www.learnnc.org/lp/multimedia/6713

]]> http://librepensante.org/notes/?feed=rss2&p=95 human activities http://librepensante.org/notes/?p=94 http://librepensante.org/notes/?p=94#comments Thu, 17 Sep 2009 03:44:27 +0000 admin http://librepensante.org/notes/?p=94 One of the paper’s co-authors, Robert Baker from the Texas Tech University, said that the benefits for wildlife from the lack of human activity outweighed the risks of low-level radiation.

Writing on his university web page, Professor Baker said: “The elimination of human activities such as farming, ranching, hunting and logging are the greatest benefits.

http://news.bbc.co.uk/2/hi/science/nature/6946210.stm

]]> http://librepensante.org/notes/?feed=rss2&p=94 how bacteria “talk” http://librepensante.org/notes/?p=93 http://librepensante.org/notes/?p=93#comments Mon, 07 Sep 2009 03:31:45 +0000 admin http://librepensante.org/notes/?p=93

]]> http://librepensante.org/notes/?feed=rss2&p=93 Cybernetic Bacteria 2.0 http://librepensante.org/notes/?p=90 http://librepensante.org/notes/?p=90#comments Sun, 09 Aug 2009 06:27:07 +0000 admin http://librepensante.org/notes/?p=90

]]> http://librepensante.org/notes/?feed=rss2&p=90 da vinci automobile http://librepensante.org/notes/?p=89 http://librepensante.org/notes/?p=89#comments Thu, 23 Jul 2009 20:08:26 +0000 admin http://librepensante.org/notes/?p=89

]]> http://librepensante.org/notes/?feed=rss2&p=89 frecuencia http://librepensante.org/notes/?p=88 http://librepensante.org/notes/?p=88#comments Wed, 17 Jun 2009 20:31:21 +0000 admin http://librepensante.org/notes/?p=88

]]> http://librepensante.org/notes/?feed=rss2&p=88 from Micrographia by Robert Hooke, 1665. http://librepensante.org/notes/?p=86 http://librepensante.org/notes/?p=86#comments Thu, 11 Jun 2009 16:58:03 +0000 admin http://librepensante.org/notes/?p=86

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]]> http://librepensante.org/notes/?feed=rss2&p=86 http://librepensante.org/notes/?p=85 http://librepensante.org/notes/?p=85#comments Tue, 09 Jun 2009 19:19:08 +0000 admin http://librepensante.org/notes/?p=85 Nature News special: Microscopy

Microscopes are the window to life - and advances in
microscopy over recent years are radically changing
the view through them. Here Nature profiles five
microscopes that are changing the ways that modern
biologists see the world and one that did so at the
dawn of microscopy.

]]> http://librepensante.org/notes/?feed=rss2&p=85 Apple computer http://librepensante.org/notes/?p=84 http://librepensante.org/notes/?p=84#comments Fri, 29 May 2009 20:37:46 +0000 admin http://librepensante.org/notes/?p=84 to be bested by a home computer of 1976 such as this Apple I which sold for only $600:

The Apple 1 which was sold as a do-it-yourself kit (without the lovely case seen here)

http://www.computersciencelab.com/ComputerHistory/History.htm

]]> http://librepensante.org/notes/?feed=rss2&p=84 sensors of solvent vapors & gasses http://librepensante.org/notes/?p=83 http://librepensante.org/notes/?p=83#comments Wed, 27 May 2009 16:34:43 +0000 admin http://librepensante.org/notes/?p=83 http://www.directindustry.es/cat/analisis-y-caracterisacion-de-materiales-bancos-de-prueba/sensores-de-gas-I-493-_31.html

* TGS 2620 - for the detection of Solvent Vapors

http://socialtapestries.net/snout/documentation/node44.html

http://www.figarosensor.com/products/2620pdf.pdf

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