Κυριακή, 18 Μαΐου 2014

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Glasses-free 3-D projector

Posted: 16 May 2014 05:33 PM PDT

Researchers have steadily refined a design for a glasses-free, multiperspective, 3-D video screen, which they hope could provide a cheaper, more practical alternative to holographic video in the short term. Now they've designed a projector that exploits the same technology. The projector can also improve the resolution and contrast of conventional video, which could make it an attractive transitional technology as content producers gradually learn to harness the potential of multiperspective 3-D.

Non-invasive lithotripsy leads to more treatment for kidney stones

Posted: 16 May 2014 05:32 PM PDT

When it comes to treating kidney stones, less invasive may not always be better, according to new research. In a direct comparison of shock wave lithotripsy vs. ureteroscopy -- the two predominant methods of removing kidney stones -- researchers found that ureteroscopy resulted in fewer repeat treatments.

With imprecise chips to the artificial brain

Posted: 16 May 2014 05:29 PM PDT

Which circuits and chips are suitable for building artificial brains using the least possible amount of power? A surprising finding: Constructions that use not only digital but also analog compact and imprecise circuits are more suitable for building artificial nervous systems, rather than arrangements with only digital or precise but power-demanding analog electronic circuits.

Magnets and kids: A dangerous duo

Posted: 16 May 2014 06:20 AM PDT

Magnet ingestions by children have received increasing attention over the past 10 years. With the growing availability of new and stronger neodymium-iron-boron magnets being sold as "toys," there has been an increase of cases of ingestion, resulting in serious injury and, in some cases, death. In a new study, researchers studied the trends of magnetic ingestions at a large children's hospital.

Drug-eluting stent keeps pathway open for people with severe lower extremity disease

Posted: 15 May 2014 07:37 AM PDT

A new stent has been effective at keeping arteries open in the lower extremities of patients with peripheral artery disease (PAD) for more than four years. PAD is a chronic, progressive circulatory disease in which plaque builds up in the arteries that carry blood to the rest of the body. Over time, the plaque can harden and narrow the arteries, restricting blood flow. This condition affects between 8 and 12 million Americans, even though some do not experience symptoms like pain or cramping in the lower extremities.

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