Solar cooker from a parabolic satellite dish
A solar cooker is a parabolic shaped dish which uses the power and energy of (direct) sunlight to cook bake, heat or pasteurize food and drink. Most of them are …
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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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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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