International

Rice group: Silica + titania = cheap, green, improved water purification

By / January 17, 2011

Tanzania water source. Credit: Bob Metcalf I don’t have enough historical perspective to know if this is truly a eureka moment or not, but a group from Rice University reports…

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NPR: Haitians take rubble removal into own hands

By / January 13, 2011

(Credit: Jonathan Pankau/Wikimedia Commons.) Last week we had about a report from researchers at Georgia Tech who show how concrete rubble from the earthquake can be safely recycled into stronger…

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Rebuilding in Haiti can be faster, stronger and less expensive using concrete made of recycled materials, says Georgia Tech group

By / January 4, 2011

Credit: ACerS Bulletin/Reginald DesRoches It’s nearly the one-year anniversary of the huge earthquake that crumbled Port-au-Prince and other parts of Haiti, and, unfortunately, reconstruction has taken place only on a…

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Meanings, news of China’s new rare earths quotas don’t agree

By / December 28, 2010

Chinese rare earth exports, 2009-2011, in metric tons: |  2009/H1: 21,728 tons ||| 2010/H1: 22,282 tons ||| 2011/H1: 14,446 tons |  2009/H2: 28,417 tons 2010/H2: 7,976 tons | 2011/H2: ?…

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Germany’s Fraunhofer: Diamond–ceramic composites, sepsis test-on-a-card, hot-embossed glass microlenses

By / December 22, 2010

Germany’s Fraunhofer Institutes have been churning out a fascinating collection of announcements this year that showcase the group’s ability to successfully span the research-demonstration-deployment worlds. Deservedly, a lot of countries…

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Carbon nanotube fibers woven for military armor

By / December 1, 2010

The newest development in military armor comes from Israeli-based TorTech, which says it will soon be manufacturing carbon nanotube fiber yarns that it claims to be stronger than Kevlar, yet…

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Avalon plans to produce separated rare earths by 2016

By / November 22, 2010

In an interview with Rueters, Avalon Rare Metals CEO Don Bubar stated that the Toronto-based mining company plans to produce separated rare earths by 2016. With demand increasing by roughly…

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Video of the week: Tiger Stone continuous brick road paving machine

By / November 22, 2010

Vanku’s Tiger Stone machine Via, Gizmag and Gizmodo, I found this video of this Dutch-made brick paving machine. I wouldn’t go so far as Gizmodo does in describing this as…

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Haiti’s materials debris problem still slowing infrastructure rebuilding

By / November 18, 2010

Remains of Montana Hotel, Port-au-Prince. Credit: Joshua Lee Kelsey, USN. An ACerS Cements Division member tipped me off to an op-ed in the New York Times that appeared this summer…

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Crystalline silicon PV makers continue tough market fight with thin film tech

By / November 16, 2010

Credit: SunPower. It doesn’t appear anyone is making a lot of money in the solar power arena, but the players — working in different camps based on the materials they…

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