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My designis a substitute for nowadays mountaineering stove and pot. It is designed for saving space, weight and fuel. It uses The Spectrum Selective Nanocomposite Coating absorbs solar energy to heat up the inside space continuously till food is stewed to ripe, for the vacuum between inside part and outside part cant transmit heat. The temperature is controlled by a thermoelectric device, changing superfluous heat to electricity, and storing in the storage battery. It is hung out the travel luggage. It will be absorbing solar energy along with climbing mountain. You can enjoy a hot meal as soon as the meal time coming.