Solar cooker? Parabolic satellite dish!
A parabolic solar cooker uses the power and energy of (direct) sunlight to cook bake, heat or pasteurize food and drink. Most of them are not expensive and are made …
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DIY refrigerator: keep it cool with the sun and a wet towel!
A normal refrigerator operates on the principal that a boiling liquid takes heat away from its surroundings while it turns into gas. It’s like when you’re sweating: it cools you …
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Solar oven: let the sun do the baking!
Cooking with the power of the sun is pretty old. For centuries people used the sun as heating source to cook food. In the last decades we see more and …
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