News tagged with porous clay
Engineer helps poor in developing nations purify drinking water
The device looks deceptively simple - a porous clay pot placed in a five-gallon plastic bucket with a spigot - but Vinka Craver believes it can save millions of lives each year.
Mar 16, 2009 |
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Search results for porous clay
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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Martian water vs. the volcanoes
For decades NASA has been "following the water" on Mars with hopes of finding signs of alien life there; or at least signs that future colonists won't die of thirst. Now a Texas geologist has dared to revive ...
Space & Earth / Space Exploration
Jul 27, 2011 |
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Study of soil effects from March 11 Japan earthquake could improve building design
Japan's March 11 Tohoku Earthquake is among the strongest ever recorded, and because it struck one of the world's most heavily instrumented seismic zones, this natural disaster is providing scientists with ...
Space & Earth / Earth Sciences
Jul 18, 2011 |
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Cat litter to become an edible product?
Sepiolite is a lightweight porous mineral used in cat litter and other applications. The extraordinary properties of this clay make it a highly sought after mineral, despite its scarcity in the Earth's crust: ...
Jul 12, 2011 |
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Optimal topdressing applications for athletic fields determined
Scientists evaluated the effects of cumulative sand topdressing rates on the fall wear tolerance and surface shear strength of simulated athletic fields. Experimental results suggested that a 0.5-inch topdressing ...
Jun 22, 2011 |
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New water-filter factory in Ghana
In northern Ghana, that nation’s poorest and most rural region, most families get their drinking water from rivers or large, shallow ponds. The water in these bodies, which are also used by livestock, is clouded with ...
May 06, 2011 |
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Debate stirred over 1st major US tar sands mine
(AP) -- Beneath the lush, green hills of eastern Utah's Uinta Basin, where elk, bear and bison outnumber people, the soil is saturated with a sticky tar that may soon provide a new domestic source of petroleum ...
Apr 10, 2011 |
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Termites foretell climate change in Africa's savannas
Using sophisticated airborne imaging and structural analysis, scientists at the Carnegie Institution's Department of Global Ecology mapped more than 40,000 termite mounds over 192 square miles in the African ...
Sep 07, 2010 |
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Microscopic firewalls: Robust foils of synthetic nacre analogues act as a heat shield
(PhysOrg.com) -- Biological materials are fascinating because they are very light but have the ability to withstand extreme forces. Nacre is amazingly tough thanks to a multi-layer arrangement of platelet-shaped ...
Aug 18, 2010 |
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Ancient Mayans Inspire Modern Fade Proof Dye
Physicists have created a dye that promises to last for a thousand years. The secret to this extraordinary durability? Its formula is based on a Mayan pigment, a brilliant blue color that survives to this ...
Jul 30, 2010 |
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List of search results for porous clay
