EPFL engineers have developed a low-temperature annealing method that maintains the structure of gold and silver when the two metals are combined in an alloy. Their discovery will prove useful in the manufacture of contact ...
Condensed Matter
Apr 8, 2022
0
49
On mountain peaks scattered across Colorado, machines are set up to fire chemicals into the clouds in attempts to generate snow. The process is called cloud seeding, and as global temperatures rise, more countries and drought-troubled ...
Environment
Mar 17, 2022
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6
For the first time, researchers have found a cost-effective and convenient way to apply a silver-based antimicrobial clear coating to new or existing textiles. Their method uses polyphenols, commonly found in food items notorious ...
Materials Science
Feb 8, 2022
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62
The Israel Antiquities Authority announced Wednesday the discovery of remnants of two shipwrecks off the Mediterranean coast, replete with a sunken trove of hundreds Roman and medieval silver coins.
Archaeology
Dec 22, 2021
0
125
Were it not for Baron Justus von Liebig, Christmas might look and taste quite different. Yet despite his contribution to everything from the stock cubes used in your gravy to the mirrors in your home, it is unlikely you have ...
Materials Science
Dec 21, 2021
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6
When one organism's trash contains traces of human treasure, look for ancient microbial activity, according to researchers who found elemental silver in fossilized worm dung.
Paleontology & Fossils
Dec 20, 2021
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18
Despite its prior status as a luxury commodity, silver became widely used for coinage in the Roman world from the 7th century BCE onward and provided a standardized monetary system for ancient Mediterranean civilizations. ...
Archaeology
Dec 17, 2021
0
121
Materials Scientists at Duke University have developed a lightweight material that traps thermal energy when dry, but opens a series of tiny vents to let heat escape when a person starts sweating. The vents close again to ...
Materials Science
Dec 15, 2021
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182
Researchers from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences developed a novel approach of green synthesis of silver nanoparticles and reduced graphene oxide composite material (AgNPs@rGO) ...
Bio & Medicine
Sep 29, 2021
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43
Bioelectrical sensors on the skin can be used to measure electrical signals in the body, like heart activity and muscle contraction. While that provides valuable information for clinicians, current bioelectrical sensor technology ...
Nanophysics
Sep 28, 2021
0
37
