The Tek Pulse: The latest and greatest engineering and science posts

 

Informative, innovative and interesting articles from our favorite blogs

  1. More Electronic Materials Opened Up With Metal-Organic Framework, University of Warwich, December 18, 2017, Research & Development -- New materials for electronic applications could be identified thanks to the discovery of a new metal-organic framework (MOF). This new MOF displays electrical semiconduction with a record high photoresponsivity. The results are the first of its kind concerning MOFs and are the starting point for the possible discovery of more functional materials with practical applications. The new MOFs could be used in electronic components and photoconversion devices, like solar cells. The MOF was created using cobalt ions and naphthalene dimides. The conduction mechanism is sensitive to light and may be modified according to the incident wavelength. The team demonstrated how MOFs that combine organic and inorganic components could produce unique materials from readily available chemicals. For the full article visit Research & Development.

  2. Researchers compute their way to the center of the Earth, Gauss Centre for Supercomputing, December 18, 2017, EurekAlert -- Researchers have begun using computing resources to peer further into the Earth’s crust. To date, scientists have been able to bore just over 12 kilometers deep – about half the depth of the Earth’s crust. However, to better understand how the planet was formed and how the interior might influence life on the surface, researchers must dig even deeper. Because experiments investigating materials at greater depths present challenges, researchers are turning to modeling and simulation. The team started using a supercomputer to simulate the structure of melts in the Earth’s crust by studying silicate glasses as a model system for melts under ultra-high pressures. Silicate glass is essentially a frozen melt. Understanding the properties of these melts and glasses is crucial to understand how Earth was formed. For the full story visit EurekAlert.

  3. Graphene unlocks the promise of lithium sulfur batteries, Argonne National Laboratory, December 18, 2017, TechXplore -- Scientists have combatted a problem with lithium sulfur batteries, bringing them closer to reality. Lithium sulfur batteries face many challenges. One such challenge is the low electrical conductivity of sulfur and the tendency of the cathode to expand during the discharge cycle. It’s this tendency that prevents the cathode from being packed densely enough. To overcome this issue, scientists have developed a new cathode material made from lithium sulfide and encapsulated by graphene. The technique used to make the material can be easily scaled up for industrial production. Battery scientists worldwide are very interested in the potential of lithium sulfur batteries because they could offer high energy-efficiency at a low cost. For more information head over to TechXplore.

  4. UTA Discovery Could Reduce Cost, Energy for High-Speed Internet Connections, University of Texas at Arlington, December 18, 2017, ECN -- Breakthrough research could lead to a dramatic reduction in the cost and energy consumption of high-speed Internet. Currently, to eliminate the noise during light propagation in optical communication links, carriers resort to frequent optoelectronic regeneration. This process needs to be done separately for each wavelength, making regenerators large, expensive and inefficient. A promising alternative is to process the optical signal directly, without converting it to electrical. Now a team has reported an experimental demonstration of a functional multi-channel regenerator. The device could potentially shrink to the size of a matchbox to be implemented on a microchip. Thanks to this breakthrough, there are new possibilities for faster, more efficient transmission of messages. For more information visit ECN.

  5. And lastly, the most popular Tektronix download of the week goes to Verifying Power Supply Sequencing with an 8-Channel Oscilloscope. In our latest application note you will learn the basics of checking the power-on and power-off sequence of an AC-DC power supply. You will also learn how to look at a bulk supply and various point of load regulators and how an oscilloscope with more than four channels can expedite the process.

Download your copy today!

Do you have a great article, blog or idea that you’d like to see featured in our series? Please be sure to share in the comments below. Stay tuned next week for another installment of The Tek Pulse, featuring more trending articles from the engineering, technology and science worlds.

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