Monthly Archives: December 2012

Happy Holidays!

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Zero

Winter is upon us here at the ranch. This week we enjoyed the lowest recorded temperature (by us, anyway) of about zero degrees Fahrenheit (-17.8 C). Last night we had our first major winter storm dropping four inches (10 centimeters) of dry powder. … Continue reading

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Nanoparticles enable Solar Steam

Using fire to boil water has long been the preferred method for making steam. But now, thanks to specially coated nanoparticles of sand, we can use sunlight. Researchers at Rice University in Texas made fine grains of sand, much smaller … Continue reading

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