The principle of operation of the solar oven is different from that of the solar parabol cooker.
The light energy passes through the glass lid and is further absorbed by the dark absorber
metal walls of the chamber, thus being converted and radiated back as longer wavelength
heat energy.
Most of this radiant energy, because of its longer wavelength, cannot pass back out through
the glass and is therefore trapped within the enclosed space of the chamber.
Trapping the radiated heat energy ensures rising the air temperature inside and thus cooking
the food in the pot.
The pot itself may be metal-made, but also glass-made.
*Note: image shown above is for illustration purpose only; Actual image may vary due to specification, Design, Technology and R&D.*