Aura is a concept for a portable and environmentally friendly steam cooker utilizing zeolite minerals. Zeolite minerals, upon being heated, release large amounts of steam from water that had been previously adsorbed. When zeolite comes into contact with water, a chemical reaction adsorbs the water and emits heat. When heat is applied to the zeolite, the process is reversed and the water is released. Because the heat is trapped in the chemical structure of the zeolite, the material never actually feels warm. It is which is why this is a “loss-free” storage method. By using zeolites the designers of Aura aim to eliminate pollution caused by using coal or wood in picnic areas and promote healthy eating. Zeolite minerals can be charged while something is being baked in the oven without any extra energy used. Aura’s comes with a base made of basalt stone, a grill to put the food on and a bell jar shaped lid to provide steam circulation.
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