Group items tagged

Tools for Conviviality. Ivan Illich, 1973. A very Important philosopher and a book about the idea of making tools which allow people to be autonomous and build links between users.

"The Forty Percent Model This model is based on a simple rule: transparency about costs and a choice between paying us to make the product or doing it yourself. The basic process is that we list all the components and other costs of our product (an autonomous blimp in this case) and links to where you can buy them yourself, along with instructions on how to put them together. If you want to do it yourself, or perhaps already have some of the parts and don't need ours, go for it!"

Vinck Dominique. Les objets intermédiaires dans les réseaux de coopération scientifique. Contribution à la prise en compte des objets dans les dynamiques sociales. In: Revue française de sociologie. 1999, 40-2. pp. 385-414. This paper explains the importance of "intermediate tools" as mediator of social relations, how it embeder the links among parties. Really useful to justify our consortium and a DIWO Lab environment.

A selection of stats in English : http://en.wikipedia.org/wiki/Anaerobic_digestion http://en.wikipedia.org/wiki/Biogas http://fr.wikipedia.org/wiki/Biogaz ... and in French and German too look at the page, the guy made a kind of micro SoA and posted it in his blog. You also have a link to a tool in German to calculate the production of a biogas digester

Lots of resources about biogas generation DIY