solar oven

Hello everyone,
also this week a new project is borned. We thought a way to use the solar energy to cook.
Well, but how?
For answer this question we design a tool that can be really useful for everyone of us. naturally, this, can't be the best oven that you tryied but can be really useful if you are in a beach and you need an hotter dish of Pasta. It's not designed for cook but for heat up.
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We thought about common materials, infact this will need an aluminum paper, really common in hous