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Giant Fresnel lenses
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<blockquote data-quote="Num7" data-source="post: 35153" data-attributes="member: 1"><p><strong>Giant Fresnel lenses</strong></p><p></p><p><span style="color: Black">I found this today, there's some interesting stuff about these giant fresnel lenses. They concentrate solar power like a magnifying glass. </span></p><p><span style="color: Black">It could be useful when there's no electricity, except at night. On Ebay, they're around 100.00/200.00$. </span></p><p><span style="color: Black"></span></p><p><span style="color: Black"></span><p style="text-align: center"><span style="color: Black"><img src="http://www.greenpowerscience.com/GREENARTSCIENCE/FRESNEL1.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></span></p> <p style="text-align: center"></p><p><span style="color: Black"><a href="http://www.greenpowerscience.com/" target="_blank">GREEN POWER SCIENCE WOULD BE NICE ON THE DISCOVERY NETWORK</a></span></p><p><span style="color: Black"><a href="http://www.greenpowerscience.com/LINEARSPOT.html" target="_blank">SOLAR COOKING WITH THE SUN OUTDOOR LIVING PARABOLIC FRESNEL LENS LENSE</a></span></p><p><span style="color: Black"><a href="http://www.greenpowerscience.com/FRESNELHOWTO.html" target="_blank">HOW TO FRESNEL LENS STAND</a></span></p><p><span style="color: Black"></span></p><p><span style="color: Black">If well used, you can cook, melt stuff, run a sterling engine, etc.</span></p><p><span style="color: Black">There are some videos on Youtube <a href="http://www.youtube.com/results?search_query=giant+fresnel&search_type=" target="_blank">here</a>. There are also many videos in the links above. </span></p><p><span style="color: Black"></span></p><p><span style="color: Black">Do you guys have ever seen one of these lenses in real life ?</span></p><p><span style="color: Black"></span></p><p><span style="color: Black">Num7</span></p><p><span style="color: Black"></span></p></blockquote><p></p>
[QUOTE="Num7, post: 35153, member: 1"] [b]Giant Fresnel lenses[/b] [COLOR=Black]I found this today, there's some interesting stuff about these giant fresnel lenses. They concentrate solar power like a magnifying glass. It could be useful when there's no electricity, except at night. On Ebay, they're around 100.00/200.00$. [/COLOR][CENTER][COLOR=Black][IMG]http://www.greenpowerscience.com/GREENARTSCIENCE/FRESNEL1.JPG[/IMG][/COLOR] [/CENTER] [COLOR=Black][URL="http://www.greenpowerscience.com/"]GREEN POWER SCIENCE WOULD BE NICE ON THE DISCOVERY NETWORK[/URL] [URL="http://www.greenpowerscience.com/LINEARSPOT.html"]SOLAR COOKING WITH THE SUN OUTDOOR LIVING PARABOLIC FRESNEL LENS LENSE[/URL] [URL="http://www.greenpowerscience.com/FRESNELHOWTO.html"]HOW TO FRESNEL LENS STAND[/URL] If well used, you can cook, melt stuff, run a sterling engine, etc. There are some videos on Youtube [URL="http://www.youtube.com/results?search_query=giant+fresnel&search_type="]here[/URL]. There are also many videos in the links above. Do you guys have ever seen one of these lenses in real life ? Num7 [/COLOR] [/QUOTE]
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