News tagged with clay
Scientists evaluate different antimicrobial metals for use in water filters
Porous ceramic water filters are often coated with colloidal silver, which prevents the growth of microbes trapped in the micro- and nano-scale pores of the filter. Other metals such as copper and zinc have also been shown ...
Nanotechnology / Bio & Medicine
May 24, 2012 |
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Plump up the clay: Carbon dioxide moves into and expands a common mineral in carbon sequestration caprocks
(Phys.org) -- For the first time, scientists have direct evidence that high-pressure carbon dioxide or CO2 migrates into the clay montmorillonite causing it to expand, according to scientists at Pacific Northwest ...
May 18, 2012 |
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Bacteria alive (more or less) in 86-million-year-old seabed clay
(Phys.org) -- A new study by scientists from Denmark and Germany has found live bacteria trapped in red clay deposited on the ocean floor some 86 million years ago. The bacteria use miniscule amounts of oxygen ...
May 18, 2012 |
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Redefining archaeological research
Gently cradling a 5,000-year-old cuneiform clay tablet from Ur (modern day Iraq), Andrew Nelson wishes he could peel back the layers to find out what makes up this first-generation iPad. And thanks to a new ...
Other Sciences / Archaeology & Fossils
May 11, 2012 |
4 / 5 (4) |
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Discovery of the first evidence for Pre-Columbian sources of Maya Blue
Once again, science and anthropology have teamed up to solve questions concerning the fascinating, brilliantly hued pigment known as Maya Blue. Impervious to the effects of chemical or physical weathering, the pigment was ...
Other Sciences / Archaeology & Fossils
Apr 02, 2012 |
4.1 / 5 (8) |
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New analysis of clay deposits in ancient Martian Lakes
Mars was once a much wetter world than it is now, with hot springs, rivers, lakes and perhaps even oceans. Just how wet exactly, and for how long, is still a subject of considerable debate. One vital clue ...
Space & Earth / Space Exploration
Mar 16, 2012 |
4.5 / 5 (2) |
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The fermented cereal beverage of the Sumerians may not have been beer
Archaeological finds from cuneiform tablets and remnants of different vessels from over 4,000 years ago show that even around the dawn of civilisation, fermented cereal juice was highly enjoyed by Mesopotamia's ...
Other Sciences / Archaeology & Fossils
Jan 17, 2012 |
3.3 / 5 (3) |
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Baking in the details: Semitic Museum project conserves thousands of ancient clay tablets
In the basement of Harvard’s Semitic Museum, Alex Douglas looked at the pieces of baked clay in front of him, teasing out how they fit together into a small tablet, thousands of years old and marked with ...
Other Sciences / Archaeology & Fossils
Jan 06, 2012 |
4 / 5 (3) |
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Hydrodynamics of writing with ink
For millennia, writing has been the preferred way to convey information and knowledge from one generation to another. We first developed the ability to write on clay tablets with a point, and then settled ...
Nov 21, 2011 |
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Study of clays suggests watery Mars underground
(PhysOrg.com) -- A new NASA study suggests if life ever existed on Mars, the longest lasting habitats were most likely below the Red Planet's surface.
Space & Earth / Space Exploration
Nov 02, 2011 |
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Opportunity begins study of martian crater, new samples 'unlike any seen before'
(PhysOrg.com) -- The initial work of NASA's Mars rover Opportunity at its new location on Mars shows surface compositional differences from anything the robot has studied in its first 7.5 years of exploration.
Space & Earth / Space Exploration
Sep 02, 2011 |
4.7 / 5 (13) |
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Mars rover Opportunity studying new surroundings (Update)
The Mars rover Opportunity is snapping pictures like a tourist since arriving at its latest crater destination, much to the delight of scientists many millions of miles away.
Space & Earth / Space Exploration
Sep 01, 2011 |
4.8 / 5 (12) |
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Rover arrives at new site on martian surface
(PhysOrg.com) -- After a journey of almost three years, NASA's Mars Exploration Rover Opportunity has reached the Red Planet's Endeavour crater to study rocks never seen before.
Space & Earth / Space Exploration
Aug 10, 2011 |
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Huge dictionary project completed after 90 years
An ambitious project to identify, explain and provide citations for the words written in cuneiform on clay tablets and carved in stone by Babylonians, Assyrians and others in Mesopotamia between 2500 B.C. ...
Other Sciences / Archaeology & Fossils
Jun 08, 2011 |
4.7 / 5 (12) |
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Green cats eye up new kitty litter
(PhysOrg.com) -- Scratching around in the kitty tray could soon be a greener experience for cats in the UK and world-wide, thanks to a new type of low-cost cat litter developed by researchers at Imperial College ...
Jun 06, 2011 |
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Clay
Clay is a general term including many combinations of one or more clay minerals with traces of metal oxides and organic matter. Geologic clay deposits are mostly composed of phyllosilicate minerals containing variable amounts of water trapped in the mineral structure.
For more information about Clay, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
