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Photovoltaic implant gives sight to the blind

By / December 30, 2009

Researchers at Stanford University recently announced that they have developed a new artificial retina implant that uses photovoltaic power and could help the blind see. The problem with previous implants was that there was no way send power to the chip in order to process light and data inside the eye. Now, miniature photovoltaic cells…

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Video of the week: 2009 Friedberg Memorial Lecture: ‘Ceramics in a 21st Century Materials World’ by Gary Fischman

By / December 9, 2009

Gary Fischman, director of National Academies’ boards dealing with Materials, Manufacturing and Infrastructure, was the 2009 Arthur L. Friedberg Memorial Lecturer at the recent ACerS Annual Meeting and MS&T’09 conference. Here is how he described the topics he covers in his lecture: “From the beginning of the 20th century to its end, the ways in…

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Video of the week – 2009 Rustum Roy Lecture: ‘Engineering Challenges of the 21st Century’ by Charles Vest

By / November 19, 2009

Charles Vest, president of the National Academy of Engineering and president emeritus of MIT, was the 2009 Frontiers of Science & Technology–Rustum Roy Lecturer at the recent ACerS Annual Meeting and MS&T’09 conference. “This is the most exciting time for engineering and science in human history. A new generation of engineers will be inspired by…

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New beryllium reference material for occupational safety monitoring

By / September 23, 2009

Researchers at NIST have produced a new reference material for beryllium. The rare-earth metal used as a hardener in high-performance alloys and ceramics can cause berylliosis — a chronic, incurable and sometimes fatal illness. The new reference material is expected to dramatically improve methods used to monitor workers’ exposure and aid in contamination control as…

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Case Western researcher bites into crown failures

By / September 21, 2009

Jin-Ho Phark, an assistant professor at the Case Western Reserve University School of Dental Medicine, says he has figured out a way to make ceramic crowns adhere better for dental patients. Park used an x-ray photoelectron spectroscopy system to examine contaminants that clung to failed crown surfaces and found that plaster particles were interfering with…

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Nanodiamonds move into gene therapy

By / September 2, 2009

A team of Northwestern University researchers has figured out a way to use nanodiamonds to deliver DNA for gene-therapy application. By modifying the surface of nanodiamond particles with a special polymer, a group led by Dean Ho found they could reach a delivery efficiency that is 70 times greater than that of a conventional standard…

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Video of the week – Aldo Boccaccini on the vitrification of hazardous wastes, bioglass and electrophoretic deposition

By / August 26, 2009

Aldo Boccaccini is a professor in materials science at Imperial College, U.K. and a member of the London Center for Nanotechnology, a joint project between Imperial College and University College, U.K. In this video, he discusses some of his early work in developing vitrification techniques to render hazardous wastes, such as incinerator residues, inert. He…

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Video of the week – Del Day on treating cancer with glass microspheres

By / August 19, 2009

Del Day, the Curators’ Professor Emeritus of Missouri University of Science and Technology, discusses his work in the field of bioglass. Day, a former president of ACerS, has spent several decades researching bioceramic and bioglass materials, and developing applications for those materials. He is best known for his work in creating glass microspheres that can…

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Multifunctional material aids brain imaging

By / August 17, 2009

Engineers are getting craftier and craftier about making one material that is capable of more than one function, especially in the realm of nanomaterials. It can be a little difficult to exactly understand what this is all about, but the basic idea is that if you are going to all the trouble to try to…

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Nanotube-powered X-rays

By / August 13, 2009

Technology Review reported that carbon nanotubes are at the heart of a new X-ray machine that is slated for clinical tests later this year at the University of North Carolina Hospitals. The machine has the potential perform much better than those used today for X-ray imaging and cancer therapy. It speeds up organ imaging, takes…

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