So, on Friday you might remember I mentioned the Kyoto Box, which just won a $75,000 prize ideas to fight global warming. Well, it looked simple enough to build, which was the point, so I built one myself in a few hours this weekend. While I picked up an old window from a [...]
A successful test has been carried out of a new prototype solar dish that concentrates solar rays by 1,000 times, creating what inventor Doug Wood has called “the most efficient solar collector in existence.”
photo credit: Lui G
The device is a 12-foot-wide dish made from thin, mirrored aluminum tubing and strips of mirrored glass. Water [...]
After seeing a diagram of what one might look like in a magazine, this weekend I spent some time building my first solar food dehydrator. And while it was somewhat of a success, there are some changes I will be making on the next version that I will discuss at the end of the [...]
EarthTalk is a weekly installment from E/The Environmental Magazine.
Dear EarthTalk: I am considering solar panels for my roof to provide heat for my hot water and possibly to do more than that. Are there some kinds of solar panels that are better than others? How do I find a knowledgeable installer?
What type of [...]
