EARTHFILES: Mystery in Red Rain Cells

 EARTHFILES.COM

Fluorescence Mystery in Red Rain Cells of Kerala, India. 
Click for report.   “ …Organisms replicating at 300 degrees Celsius and showing this kind of autofluorescence are currently
unknown to exist on earth, which is again an indication supporting the view that these cells are possibly extraterrestrial.” 
– Godfrey Louis, Ph.D., Physics, Cochin University, Kerala, India   August 2007, red and white cells collected from red rain that fell for a third time on the state of Kerala, India. BELOW: AN AUDIO SHARE FILE  WITH LINDA HOWE ON COAST TO COAST as she filed this report. Gandalfhttp://cid-bd838dd923c11aa0.skydrive.live.com/self.aspx/Red%20Rain%20Cells%20of%20Kerala,%20India

http://www.earthfiles.com/

ENGINEERING: Solar for Less
Jake Yeston

The Sun provides far more energy to Earth each day than the worldwide population currently uses, but directing this energy toward a more useful purpose than heating the ground is a considerable challenge. Though siliconbased cells can effectively convert absorbed light into electricity, the costs associated with isolating and purifying the silicon toward this end remain substantially higher than those associated with fossil fuel-based processes for electricity generation. Wadia et al. have analyzed the relative costs and efficiencies of a wide range of alternative materials for eventual use in solar cells. Specifically, they examined 21 metal oxides, sulfides, selenides, and sundry other inorganic semiconductors in comparison with crystalline and amorphous silicon. Their model considered overall electricity consumption, and so evaluated power-conversion efficiencies of individual cells in the context of comparative fabrication costs for multiple cells. Iron pyrite emerged as an especially favorable option on the basis of its abundance and low extraction cost, with Zn3P2 and copper oxides also showing potential for economical efficiency. — JSY

Environ. Sci. Technol. 43, 10.1021/es8019534 (2009).

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