News tagged with porous clay

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Russia breaks 'Zero Waste' Olympic pledge

Trucks rumble to the edge of a gigantic pit filled with spray cans, tires and foam sheets and dump a stream of concrete slabs that send up a cloud of limestone dust. Other trucks pile clay on top and a bulldozer ...

Oct 29, 2013 5 / 5 (2) 0

Taking X-rays of CO2

As CO2 levels in the Earth's atmosphere top 400 parts per million, options such as storing the greenhouse gas in porous sandstone rock formations found in abundance on the sea floor are of increasing interest. ...

May 14, 2013 3 / 5 (4) 0

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 5 / 5 (1) 2

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 4.5 / 5 (2) 3 | with audio podcast

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