News tagged with gold

Optical 'watermills' control spinning light

Scientists at King's have built on research they conducted last year to achieve previously unseen levels of control over the travelling direction of electromagnetic wave in waveguides and proved that the process works equally ...

dateNov 14, 2014 in Optics & Photonics
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What exactly is Google's 'cancer nanodetector'?

Last week, US tech giants Google made a splash in the media, announcing plans to develop new 'disease-detecting magnetic nanoparticles'. This was almost universally welcomed – after all, trying to detect diseases earlier ...

dateNov 11, 2014 in Bio & Medicine
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Amino acids key to new gold leaching process

Curtin University scientists have developed a gold and copper extraction process using an amino acid–hydrogen peroxide system, which could provide an environmentally friendly and cheaper alternative to conventional methods.

dateOct 24, 2014 in Materials Science
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Nanoparticles break the symmetry of light

How can a beam of light tell the difference between left and right? At the Vienna University of Technology (TU Wien) tiny particles have been coupled to a glass fibre. The particles emit light into the fibre in such a way ...

dateOct 06, 2014 in Nanophysics
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