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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Salt water battery lights LED
In my previous post I made a battery of nails, copper wire and vinegar. This time I used salted water and 12 bottle caps instead of 9 to make a …
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DIY vinegar battery lights LED for several days
Always wanted to make your own battery? Home brew electricity! Maybe you already heard about salt water batteries made from sea water, but this is something you can easily do …
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Mason jar light: remake an old solar garden lantern into a Sun Jar!
So a while back you bought a solar lantern (maybe like the one I have, a SOLIG Solar Powered Globe from IKEA) which you hung on some branch. Nice! It …
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