17 December 2009
- 18:1418:14, 17 December 2009 diff hist +18 Solar concentrator →See also
- 18:1218:12, 17 December 2009 diff hist +40 Solar funnel No edit summary
- 18:1118:11, 17 December 2009 diff hist 0 Solar cooker →Designs
- 18:1018:10, 17 December 2009 diff hist +352 Solar cooker No edit summary
- 18:0418:04, 17 December 2009 diff hist +43 Solar funnel No edit summary
- 18:0118:01, 17 December 2009 diff hist −51 Solar funnel No edit summary
- 18:0018:00, 17 December 2009 diff hist +80 N File:Funnel.png An image from the Permafacture Institute's paper on the design of solar funnels. current
- 17:5817:58, 17 December 2009 diff hist +17 Solar funnel No edit summary
- 17:5517:55, 17 December 2009 diff hist +1,531 N Solar funnel Solar funnels are the basis of many non-parabolic solar cookers, but exact details about their design is scarce.