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Two bowls, one in plastic or hardened glass for water, and one in stainless steel or cast iron for water. The water in the upper bowl works as a magnifying glass onto the water in the lower bowl, bringing it to a boil as soon as the sun shines.

With a stand of separate metal rods to keep the upper bowl positioned above the lower bowl, and the lower bowl having a flat bottom, no other parts are needed to cook a nice soup or boil some veggies, and by keeping the metal rods detachable, the whole set is easy to put away in a backpack or in the kitchen cupboard after use.

(Note: changed the name from Sun Chef to Cooked Sun after I looked around on the Internet and found another type of invention using this name. Sorry for any confusion ocurring there!)

<p>This is a really smart design! Did you find this somewhere or did you come up with it yourself? I would love to read more about it.</p>
Hey thanks :)<br>My inspiration for the construction and to make use of the solar/water prism combination for cooking/heating water, came from a YouTube video: https://www.youtube.com/watch?v=eeSyHgO5fmQ,<br>Although this Cooked Sun idea does feel so basic in a way so I can't imagine it not already being put into practice since years ago in many places, hence probably not making it my unique and first-ever idea :)<br>But then again, I haven't seen it anywhere before myself, so maybe I got lucky with this one?<br><br>Cheers!
<p>Thanks for the comments, guys :)</p><p>We've had a great amount of sunshine here these last few days, and I simply took one glass bowl, app. 20 cm across, with a round bottom, and poured some water in it. I put it on a temporary stand of brick stones, allowing the sun to shine down through and below the bowl and the water. </p><p>It turned out that a focal point was created, and when I placed a small piece of dry wood where the light was brightest, it took about 30 seconds before it started to smoke.</p><p>It simply works as a magnifyer glass, so boiling water or lighting fires is a piece of cake with just a glass bowl and some water (and some sunshine!) :)</p>
<p>Just curious if anyone has attempted this yet?</p>
<p>nice</p>
<p>Cool idea. You should build one and post the results.</p>

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Bio: The simplest solutions are my favourites, although the really intricate mechanical works that actually do good are my second favourites... :))
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