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Simple mathematical formula models lithium-ion battery aging

Hybrid electric vehicles, cell phones, digital cameras, and the Mars Curiosity rover are just a few of the many devices that use rechargeable lithium-ion batteries. Now researchers have a simple mathematical formula to predict what factors most influence lithium-ion battery aging.

Oct 30th, 2015

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New report on energy-efficient computing

A report that resulted from a workshop jointly funded by the Semiconductor Research Corporation (SRC) and National Science Foundation (NSF) outlines key factors limiting progress in computing - particularly related to energy consumption - and novel research that could overcome these barriers.

Oct 20th, 2015

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New crystal captures carbon from humid gas

A new material with micropores might be a way to fight climate change. Scientists have created crystals that capture carbon dioxide much more efficiently than previously known materials, even in the presence of water.

Oct 16th, 2015

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Low-cost wafers for solar cells

Silicon wafers are the heart of solar cells. However, manufacturing them is not cheap. Over 50 percent of the pure silicon used is machined into dust. A new manufacturing technique puts an end to these material losses, with raw material savings of 50 percent along with an 80 percent reduction in energy costs.

Oct 9th, 2015

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Remote Mexican village uses solar power to purify water

The system consists of two solar panels that convert sunlight into electricity; these, in turn, power a set of pumps that push water through semiporous membranes in a filtration process called reverse osmosis. The setup purifies both brackish well water and collected rainwater, producing about 1,000 liters of purified water a day for the 450 residents.

Oct 8th, 2015

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Low-cost wafers for solar cells

Silicon wafers are the heart of solar cells. However, manufacturing them is not cheap. Over 50 percent of the pure silicon used is machined into dust. A new manufacturing technique puts an end to these material losses, with raw material savings of 50 percent along with an 80 percent reduction in energy costs.

Oct 1st, 2015

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