Environment & sustainablity
DETROIT- PAUL WEERTZ lives less than 10 minutes from downtown, but the view from his window is anything but urban. On a warm day this fall, the air was ripe with the smell of fresh-cut hay and manure. In the alley behind his house, bales of hay teetered and listed where garbage cans once stood. Chickens scratched in the yard, near a garage that had been turned into a barn. Mr. Weertz drives a Ford — not a sleek sedan but a rebuilt 1960 tractor.
Up to 92% savings of the silicon wafers are achieved with Sliver cell technology. Extremely light cell with power to weight ratio greater than 1500 W/kg have also demonstrated.
The Guardian recently ran an article titled: "The oxygen crisis: Could the decline of oxygen in the atmosphere undermine our health and threaten human survival?)
Not to worry. The O2 released from photosynthesis comes from H2O. Thus there will never be a shortage of material for the production of O2 so long as there is water on this planet. There is no "peak oxygen."