open source solar concentrator so simply made of a bottle! the cheapest you can find
open source solar concentrator
so simply made of a bottle!
the cheapest you can find
open source wind turbine
http://www.treehugger.com/wind-technology/build-diy-wind-turbine-30.html
source:
http://forum.opensourceecology.org/discussion/72/a-simple-design-for-a-cheap-solar-thermal-collector/p1
and my old blog:
http://arqtect.blogspot.pt/2012/01/iluminacao-custo-zero.html
low cost solar concentrator bottle recycling
how a mirror improves the efficiency!
although careful because the heat reduces it and can bur the cells and reduce it's life!
light saving hack hacking technique
money saving
upvote r esteem sharing with your friends!
@eliowilson
one more thing
Resteem !
You probably know Rawlemon, cited here
https://steemit.com/fr/@grandpere/le-solaire-de-demain
https://www.indiegogo.com/projects/rawlemon-solar-devices#/
yes so it should work fine loved it!

Very ingenious! A simple, inexpensive way to use solar energy. Bravo!
prices are huge droping thanks!
https://steemit.com/solar/@eliowilson/olar-panels-not-cells-expected-costs-would-drop-to-the-vicinity-of-usd0-30-by-the-end-of-2017
Thanks for sharing...
Upvoted and Tweeted !
https://twitter.com/substance596/status/820681972439715841
Namaste
Disclaimer: I am just a bot trying to be helpful.