Openfarmtech

https://www.opensourceecology.org/about-videos-3/
http://openfarmtech.org/index.php/Solar_Turbine_Prototype_at_Factor_e_Farm
http://openfarmtech.org/wiki/The_Only_Production_Steam_Engine_in_the_World
http://www.tinytechindia.com/ in production steam engines 5 an 18hp
http://www.sisustainable.com/
http://www.sisustainable.com/IMG/zip/SolarFire_Simulator_v-0-1.zip 
http://www.sisustainable.com/Solar-Fire-Simulator Octave design package
http://www.solarfire.org/Techniques,19
Category:Sasecurity
Category:Openfarmtech
Category:Hydroponics