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'Hourglass' battery

A new concept for a flow battery functions like an old hourglass or egg timer, with particles flowing through a narrow opening from one tank to another. The flow can then be reversed by turning the device over.

Posted: May 25th, 2016

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Say cheese: the whey forward in renewable plastics

Whey from cheese production and other agricultural waste can be a valuable raw material for new biodegradable plastic. A European research project is working on using these by-products in laminated cardboard for food packaging.

Posted: May 3rd, 2016

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From lighting screens to lighting homes

To cut down on the environmental waste and provide storage for rural communities, researchers have proposed a model for recycling unspent lithium ion batteries from smartphones into energy storage units for solar-powered LED lamps.

Posted: Apr 19th, 2016

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Reducing food waste could help mitigate climate change

About a tenth of overall global greenhouse-gas emissions from agriculture could be traced back to food waste by mid-century, a new study shows. The findings for the first time provides comprehensive food loss projections for countries around the world while also calculating the associated emissions.

Posted: Apr 7th, 2016

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