© The Journal of Physical Chemistry Letters, American Chemical Society

Magnetic separation of waste based on density can now be taken to a whole new level. As researchers from the Dutch cities of Utrecht and Nijmegen have demonstrated that it is also possible to separate heavier elements this way. Consider, for example, precious metals in a discarded telephone.

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About the author

Author profile picture Paul Smits is a political scientist and works as a journalist. Most of the time Paul worked as a reporter for a newspaper (Rotterdams Dagblad, AD). He now operates as a freelancer from South America (Ecuador).