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Hi Everyone! My Fresnel lens give away is officially over, so please watch your e-mail in the next few days. I received 30 new sign-ups, so a third of you will be getting a Fresnel lens of your own! I’m starting to get convinced that there are folks really interested in old and new skills [...] Hi Everyone! I received so much feedback on my post about the Fresnel lens that I have decided to do a give away (yes I want more subscribers! )! On April 1st 2012 I will randomly choose 10 of my site subscribers (red box to the right) and send them the same Fresnel lens featured [...] Hi Everyone! In this post I show you how to use a Fresnel lens to start a piece of wood on fire. I think most of us have memories about messing around with a magnifying glass as kids. Sure you could start a fire or burn a hole in a piece of paper with those, [...] Hi Everyone! Well it’s a chilly and windy day, but the sun is out so I’m showing you my solar cooker. I made this several months ago and LOVE it. We have made several meals and even baked bread in it! Check it out, What a great way to cook. The total materials cost was ~$25 and [...] Hi everyone! This video was really fun to make. It is a very simple way to make a ‘warmer’ for just about any purpose. These things are far better than a hot water bottle in my book. They are cheaper, the heat lasts longer, and if it leaks you don’t have a wet mess. Also [...] Hi everyone! Today I am showing you a short video of my solar backup system. I got interested in this concept because it was a way to dabble with solar energy that I could afford. The system is small but useful. I have already used it in a few power outages and was able [...] Here is a tour of my tinkering with solar window heaters. I have been messing around with these for a few months and am really very pleased with version #3. There is a lot of speculation about how maybe these things don’t really do anything because they ‘block’ the sun from coming into the [...] |
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