Parabolic solar cookers for making tea and ironing napkins
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Revision as of 00:41, May 24, 2011 by Paul Hedrick (Talk | contribs)
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Parabolic solar reflectors
NOTE: Strictly, a parabola is a two-dimensional shape, which could be drawn on a flat piece of...
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:36, April 5, 2012 | 480 × 269 (29 KB) | Paul Hedrick (Talk | contribs) |