News tagged with heavy metal

Rethinking the value of sewage sludge 

Researchers from the Plant Nutrition Group at ETH Zurich have been evaluating methods to develop an efficient and environmental friendly phosphate fertilizer from sewage sludge ashes. A new thermo-chemical ...

Aug 16, 2013
4.8 / 5 (5) 2

Space telescope's beryllium mirrors

There are heavy metal videos, and now there's a "Not so heavy metal video." This one isn't about music however, it's about beryllium, the primary ingredient in making state-of-the-art mirrors for the next ...

Jan 14, 2011
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Herbal defluoridation of drinking water

Researchers in India have developed a filter system based on a medicinal herb, which they say can quickly and easily remove "fluoride" from drinking water. The technology described in the March issue of the International Jo ...

Mar 05, 2013
5 / 5 (4) 0

Heavy metal glass helps light go the distance

The fiber optic cable networks linking the world are an essential part of modern life. To keep up with ever-increasing demands for more bandwidth, scientists are working to improve the optical amplifiers that boost fiber ...

Jun 16, 2010
4.8 / 5 (4) 0

Hungary's red sludge nearly equals Gulf oil spill

(AP) -- The mighty Danube apparently absorbed Hungary's massive red sludge spill with little immediate damage Friday but laboratory tests heightened concerns about possible longer-term harm caused by toxic ...

Oct 08, 2010
4.8 / 5 (4) 2