This YouTube video documents a person making a solar cell using copper sheets, a oven, and some salt water. It produces very little electricity and as the author points out the power used to create the cell would take 48,000,000 hours for the cell to regenerate! Learn more at the author's web site: rimstar.org
Here is another video made by a group of students at the University of Notre Dame doing something very similar.
Friday, September 3, 2010
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