News tagged with gold

Better gold alloys for communications tech

(Phys.org) —Under the right circumstances, pushing on nothing is harder than pushing on something – at least when that "something" is gold. That's the finding from a new materials science paper, and it's ...

Dec 03, 2013
3.8 / 5 (4) 0 | with audio podcast

Gold mining ravages Peru

For the first time, researchers have been able to map the true extent of gold mining in the biologically diverse region of Madre De Dios in the Peruvian Amazon. The team combined field surveys with airborne ...

Oct 28, 2013
3.3 / 5 (11) 0 | with audio podcast

Traces of DNA exposed by twisted light

Structures that put a spin on light reveal tiny amounts of DNA with 50 times better sensitivity than the best current methods, a collaboration between the University of Michigan and Jiangnan University in China has shown.

Oct 28, 2013
5 / 5 (1) 0 | with audio podcast

Deepwater mining in Norway

The mid-ocean ridges where tectonic plates meet in the Atlantic and the Pacific Oceans are seething with volcanic activity. The most active areas are deep under water, several thousand metres down. Ocean ...

Oct 22, 2013
4.5 / 5 (4) 1