http://features.csmonitor.com/innovation/2008/06/18/mit-team-plays-with-fire-to-create-cheap-energy/

Yep try and put that in your back pack:-?

http://features.csmonitor.com/innovation/2008/06/18/mit-team-plays-with-fire-to-create-cheap-energy/

http://www.campmor.com/outdoor/gear/Product___22308 Better.

That's great. Focus was on keeping design simple for anyone to build and materials cheap and available. That's a nice change right there in itself.

Isn't it really just a water heater?
If the water was hot already . . . . why heat it?

Hot Water Heater. :rolleyes:

;)

But forget heating water.
Why aren't we seeing solar thermal for electricity? (http://www.stirlingenergy.com/technology/solar-thermal.asp)

That's great. Focus was on keeping design simple for anyone to build and materials cheap and available. That's a nice change right there in itself.http://www.afrigadget.com/

Yep try and put that in your back pack:-?There are at three solar cookers available for backpacking.
SOLTAC (http://www.soltac.com/)
Backpack Cooker (http://fast-solar.com/SolarProducts.htm#Backpack%20Cooker)
Parabolic Cooker (http://fast-solar.com/SolarProducts.htm#Parabolic%20Cooker)
and this homemade version from Zen Stoves (http://zenstoves.net/Solar.htm)
http://zenstoves.net/Solar/Solar.jpg
9oz Foil on Folded Cardboard (http://solarcooking.org/soda-bottle-pasteurizer.htm)
Pot is 12oz drink can with lid in a bake bag set on the bottom of a plastic 2liter bottle
10"x10"x2" Folded

Various packable solar cookers for hiking can be made from a mix of cardboard, metallic auto sunshades, Mylar or aluminum bubble wrap, Mylar sheets, foil, chip bags, aluminum flashing, space blankets, plastic bottles, plastic bake bags and other materials.