Monday, March 18, 2013

Simplicity itself

Green Power science has another video

http://www.youtube.com/watch?v=1J-nB7-jIJo&feature=youtube_gdata_player

The interesting thing about this video is the simplicity: use stretched plastic and water and something to put the stretched plastic over in order to collect the water.

This will focus the sun rays hot enough to burn wood.   See the video.





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