News tagged with silver
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Search results for silver
Japan mines toxic e-waste for precious materials
Dec 17, 2009 |
4.8 / 5 (6) |
0
Seeking to turn an environmental problem into an economic opportunity, high-tech companies in resource-poor Japan are mining mountains of toxic e-waste for precious materials.
Caltech scientists film photons with electrons
Dec 16, 2009 |
4.8 / 5 (19) |
0
(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...
Australian government to introduce Internet filter
Dec 15, 2009 |
3.1 / 5 (15) |
8
(AP) -- Australia plans to introduce an Internet filtering system to block obscene and crime-linked Web sites despite concerns it will curtail freedoms and won't completely work.
Lawmakers seek emergency steps to halt Asian carp
Dec 12, 2009 |
5 / 5 (1) |
1
(AP) -- Members of Congress are demanding emergency action to prevent Asian carp from invading the Great Lakes and devastating their $7 billion fishery.
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