News tagged with sunlight

High-tech materials purify water with sunlight

Sunlight plus a common titanium pigment might be the secret recipe for ridding pharmaceuticals, pesticides and other potentially harmful pollutants from drinking water. Scientists combined several high-tech components to ...

dateMar 16, 2014 in Nanomaterials
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Maximising solar cells

(Phys.org) —With silicon solar cells set to become a thing of the past, a Flinders University researcher has developed a novel computer system to find the best emerging carbon nanotubes to fuel the future.

dateJan 22, 2014 in Nanomaterials
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Why is comet ISON green?

Undoubtedly, you've been seeing the recent images of Comet ISON now that it is approaching its close encounter with the Sun on November 28. ISON is currently visible to space telescopes like the Hubble and amateur astronomers ...

dateOct 25, 2013 in Space Exploration
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Tracking micropollutants in Lake Geneva

Antibiotics, urban pesticides, and other contaminants accumulate where wastewater is released into Lake Geneva. Using computer simulations, EPFL researchers have shown that the risk they pose is highest during summer and ...

dateOct 25, 2013 in Environment
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Tackling an Ice Age mystery

In the northern hemisphere, ice sheets ebb and flow in 100,000-year cycles, driven by varying amounts of sunlight falling on Earth's surface as its orbit and orientation toward the sun changes. But astronomical variations ...

dateSep 05, 2013 in Earth Sciences
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