News tagged with impurity

Recycling aluminium, one can at a time

Producing pure aluminium from ore accounts for as much as 1 per cent of all greenhouse gas emissions worldwide. Recycling is the best way to reduce that carbon footprint – but manufacturers and recycling ...

dateMay 01, 2015 in Engineering
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Molecules as circuits

Pursuit of silicon-based electronics has certain limits, in the physical sense: This type of circuit can never become "nano" because of the physical laws governing the flow of electrons. This imposes a halt ...

dateJan 23, 2014 in General Physics
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A laboratory for all (cleaning) situations

Thanks to "CleanLab 2020," dirt particles on a scale ranging from the nano to the micro and found on and in components, surfaces and liquids in a wide variety of industries can be analyzed for the first time. ...

dateOct 21, 2013 in Engineering
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Getting more from groundwater

By 2050, around 4 billion people will be living in countries with water shortages. Innovative techniques are urgently needed to squeeze every drop from the resources available, and a team of European scientists ...

dateSep 18, 2013 in Environment
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Extrusion for greener aluminum production

Aluminum recycling has become a successful business since its inception a century ago. Nearly a third of the aluminum produced in the United States is made from aluminum scraps that have been recycled in ...

dateJul 26, 2013 in Engineering
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