Two guys convert a junk TV into a 2000ºF solar cooker that you can do but you may not how to do it. Here is a technique for hacking a 4 foot mega magnifying lens out of your old TV, that these two guys bought from a online buy-sell site.
Rear projection TVs have several useful items inside and in it the best one is the large Fresnel lens, that is a giant magnifying glass. Here the video shows the guys use this lens two create 2000ºF temperature. They set the huge lens in a frame and next keep things under it.
You can generate an incredible amount of heat with one of these on a sunny day. The video below will give you a clear idea is being talked about here and learn how to get your own. This type of Tvs you can get after a little attempt that are breaking down on people everywhere. They usually cost more to fix than they could be sold for, so people are begging you to come take them away for free.
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