I seem to recall an even more awesome *parabolic* cardboard (and foil) solar cooker from the 70s. ~~James
On Thu, Apr 9, 2009 at 3:30 PM, <ppary...@aol.com> wrote: > Alas, this nice idea, solar cardboard box ovens, has been tried in > developing countries for 30+ years and has never really made an > impact. > Solar cooking takes a long time. > Cardboard cookers are very fragile. The > sun doesn't always shine when people want to cook. > Paul (ex-UNDP) ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org