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Sunday, March 10, 2013

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Researchers develop AFM-IR for nanometer scale chemical identification

Posted: 08 Mar 2013 03:38 PM PST

Researchers report that they have measured the chemical properties of polymer nanostructures as small as 15 nm, using a novel technique called atomic force microscope infrared spectroscopy.

Quantum refrigerator offers extreme cooling and convenience

Posted: 08 Mar 2013 03:38 PM PST

Researchers have demonstrated a solid-state refrigerator that uses quantum physics in micro- and nanostructures to cool a much larger object to extremely low temperatures. What's more, the prototype refrigerator, which measures a few inches in outer dimensions, enables researchers to place any suitable object in the cooling zone and later remove and replace it, similar to an all-purpose kitchen refrigerator.

How to predict the progress of technology: Moore's Law and Wright's Law best predict how technology improves

Posted: 07 Mar 2013 09:47 AM PST

Researchers have found that some widely used formulas for predicting how rapidly technology will advance -- notably, Moore's Law and Wright's Law -- offer superior approximations of the pace of technological progress. The new research is the first to directly compare the different approaches in a quantitative way, using an extensive database of past performance from many different industries.

Hurdle overcome in development of terahertz lasers

Posted: 07 Mar 2013 09:46 AM PST

Scientists have developed a device that is critical to the use of terahertz sources for a variety of applications. Their electromagnetic non-reciprocal isolator paves the way for applications using terahertz frequencies including the development of terahertz lasers and amplifiers, to which the scientific community is currently devoting much attention.

Waves generated by Russian meteor recorded crossing the US

Posted: 07 Mar 2013 09:45 AM PST

A network of seismographic stations recorded spectacular signals from the blast waves of the meteor that landed near Chelyabinsk, Russia, as the waves crossed the United States.

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