News tagged with copper

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Electrons losing weight

The measured mass of electrons in solids is always larger than the value predicted by theory. The reason for this is that theoretical calculations do not account properly for various interactions with other electrons or lattice ...

dateMay 01, 2017 in General Physics
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Copper-bottomed deposits

The world's most valuable copper deposits, known as porphyry deposits, originate from cooling magma. But how can we predict the size of these deposits? What factors govern the amount of copper present? Researchers at the ...

dateMar 15, 2017 in Earth Sciences
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Historical copper trapped in ice

South America's mining industry supplies half the world with copper. The world's largest mines are located in the Andes. Yet just when copper production began there has remained unclear, until now. Very few artefacts from ...

dateFeb 08, 2017 in Earth Sciences
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