A Solar Powered DIY Helicopter – University Of Maryland
To solve this problem we would have to rethink what we envision as a helicopter
DIY
Hydrogen Fuel Cell Technology May Be Simpler Than You Know
While it may sound like fuel cells are pretty high tech stuff and you need a phd to understand them, in fact the reaction I described about is relatively simple.
DIY Solar Motor Turns For Free!
Fun With A DIY Solar Motor. Here is a great diy clean energy project for the weekend! A motor powered by the sun directly. It does not use electricity but instead depends on the polymer…
How Some Evacuated Solar Tubes Can Explode
There are commercially available tubes that work with the highest efficiency. They are known as solar evacuated tubes because they have a small vacuum drawn into them.
Passive Geothermal Heating & Cooling For Your Off Grid Home
The examples cost savings are based on the cost of energy in France, so the kwatt savings may be more interesting to you for comparison.
Video: Director James Cameron’s Open Source Solar Energy System
James Cameron is an environmentalist as well as a movie director. Here is the a video about The Sunflower, his open source solar energy system.