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 [...]
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 [...]
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, [...]
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 [...]
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.
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 [...]