Stories

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Briefs: Lighting
High-Performance LED Comprised of Organic and Quantum Dot-Based Layers
New research paves the way to manufacturing efficient, stable, and low-cost quantum dot-based light-emitting diodes (LEDs), which is important for the widespread commercial use of these LEDs in large-area, full-color flat-panel displays or as solid-state lighting sources to...
Application Briefs: Lighting
Founded over 200 years ago along the Mississippi River in Missouri, the city of Cape Girardeau is now home to almost 38,000 residents. The Missouri Highway 74 corridor through...
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Application Briefs: Mechanical & Fluid Systems
A build-out-of-the-box approach to turn, tail, and stop lighting applications on vehicles significantly reduces engineering and development costs. With recent improvements to Snap LED, an...
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Techs for License: Lighting
High Extraction Efficiency GaN LED
Photonic crystals have received an increasing amount of interest for use as light extractors in light-emitting diodes (LEDs), but their implementation on the surface of LEDs has thus far produced little improvement in extraction efficiency.
Techs for License: Lighting
Relaxed SiGe Films By Surfactant Mediation
Relaxed silicon-germanium (SiGe) has become an important material in the fabrication of high-quality films for various applications. Strain-relaxed SiGe buffers have been produced by at least three known methods. However, these techniques present several disadvantages, such as long growth times, thick...
Products: Lighting
ERG Lighting (Endicott, NY) has introduced eDriver LED power supplies, available in a broad range of constant voltage and constant current drivers. The driver modules are 90% efficient and fully isolated, with universal input...
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Products: Lighting
The HV9957 from Supertex (Sunnyvale, CA) combines a switch-mode boost converter and six low-dropout, linear current regulators to deliver high efficiency and precise current control in an LED driver. The IC can drive...
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Products: Lighting
TE Connectivity (Harrisburg, PA) has extended its line of poke-in connectors to include the new micro poke-in wire SSL connector — a low-profile printed circuit board connector specifically designed for LED channel...
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Products: Lighting
The IRS2548D switched-mode power supply control IC from International Rectifier (El Segundo, CA) is for high-power LED illumination including LED street lighting, stadium lighting, and theatrical lighting. The device achieves PWM...
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Products: Lighting
Two new series of connectors for LED lighting systems from AVX Corporation (Greenville, SC) maintain the same luminosity and light intensity as florescent strip lights. The standard length of fluorescent...
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Products: Lighting
Hirose (Simi Valley, CA) has developed a 2-mm pitch, multi-functional connector system that provides wire-to-board, board-to-board joint and short-circuit sockets in a single connector design. The DF59...
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Podcasts
William Allen, Senior Engineer, Spacecraft Mechanical Engineering Section, Jet Propulsion Laboratory, Pasadena, CA
William Allen, senior engineer at the Jet Propulsion Laboratory, is the mechanical systems design lead on the Mars Science Laboratory (MSL), NASA’s biggest, most expensive, and most capable Mars rover. The rover is set to launch in...
Products: Energy
Powerex (Youngwood, PA) has introduced IGBTs from 300A/1200V - 800A/1200V in conventional packages, allowing users an easy upgrade path for increased system ratings and/or improved reliability due to the increased allowable...
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Articles: Manned Systems
YouTube and NASA Want Student Experiments
NASA has partnered with Space Adventures to support the YouTube Space Lab competition that invites students to envision and design their own experiment with the ultimate prize -- flying it on the International Space Station. The contest opened on October 11, and will continue to accept submissions in the...
News
iPhone to spiPhone?
Georgia Tech researchers have discovered how to use a mobile phone to track what is being typed on a nearby computer keyboard. They used a smartphone accelerometer — the internal device that detects when and how the phone is tilted — to sense keyboard vibrations and decipher complete sentences with up to 80 percent accuracy....
News
Touchscreen Technology Distinguishes Taps by Different Parts of Finger
Smartphone and tablet computer owners have become adept at using finger taps and and drags to control their touchscreens. Carnegie Mellon University researchers have found that this interaction can be enhanced by taking greater advantage of the finger's anatomy and dexterity. By...
News
Reassembling the World's Largest Medieval Library
Under Jewish law, religious texts cannot simply be thrown away once they're worn out. While many texts were buried, many synagogues also operated genizahs, or storerooms, to store disused holy texts. The Cairo Genizah is one of the most valuable sources of primary documents for medieval historians...
Products
Advanced Driver Assistance System
dSPACE (Wixom, MI) has added the ADASIS v2 Horizon Reconstructor Blockset (ADASIS v2 HR Blockset) to its range of products for developing advanced driver assistance systems. The Simulink blockset provides access to data on the road ahead. Such data, for example, comes from a navigation system or a special ECU, and...
Products
Model-Based and Trace-Based Timing Analysis
Symtavision (Braunschweig, Germany) has launched SymTA/S 3.0 and TraceAnalyzer 3.0, the first fully integrated versions of these system-level tools for model-based design and trace-based verification. Targeted at automotive, aerospace, automation, and other performance- and safety-critical systems, the...
News
Designing a More Energy-Efficient Grocery Display Case
Open-front refrigerated display cases, which make up roughly 60 percent of the refrigerated cases in grocery stores, provide quick access to chilled products – but they’re hardly energy-efficient. Engineers at the University of Washington and Kettering University are working to cut the...
News
Super-Stretchy Sensor Holds Promise for Prosthetics, Displays
Using carbon nanotubes bent to act like springs, Stanford researchers have developed a stretchable, transparent skin-like sensor that can be stretched to more than twice its original length and bounce back perfectly to its original shape. It can sense pressure from a firm pinch to...
News: Energy
New Concept Gives Rechargeable Batteries a Surge in Storage Capacity
Researchers at Karlsruhe Institute of Technology have developed a new concept for rechargeable batteries, based on a fluoride shuttle – the transfer of fluoride anions between electrodes – which could allow high energy densities up to ten times as high as those of conventional...
News
Designing With Vision
A new system, dubbed “Designing With Vision,” incorporates eye-tracking technology that could help release constraints on creativity imposed by computer-aided design (CAD) tools. Developed by researchers at The Open University and the University of Leeds, the system is devised to break down rigid distinctions between human...
Products
Automotive Support Package
MathWorks (Natick, MA) introduces AUTOSAR Target Production Package, a flexible support package available to automotive engineers requiring advanced AUTOSAR capabilities with Simulink and Embedded Coder. The AUTOSAR Target Production Package helps engineers use more features of the AUTOSAR standard with simplified...
Products
Optical Design and Analysis Software
Synopsys, Inc. (Mountain View, CA) offers enhancements to its CODE V® optical design and analysis software, acquired as part of Synopsys' acquisition of Optical Research Associates. CODE V 10.4 delivers enhancements to its Beam Synthesis Propagation (BSP) tool that enable optical designers to model and analyze...
Products
Mask‐Wafer Double Simulation Platform
D2S, Inc. (San Jose, CA) has introduced TrueMaskTM DS, the industry’s first mask‐wafer double simulation accelerated workstation for R&D exploration, bit‐cell design, hot‐spot analysis, and mask‐defect categorization that comprehends overlapping eBeam shots and dose modulation. TrueMask DS is an...
Products
Computer-Aided Engineering Software Suite
Altair Engineering, Inc. (Troy, MI) has released the HyperWorks 11.0 Student Edition, a personal academic version of the popular suite of computer-aided engineering (CAE) software used by manufacturers around the world. The Student Edition offers affordable opportunities for engineering and design students...
Articles: Transportation
Polcak is a civil engineer by training and acoustical/noise control engineer by practice. He deals with transportation noise analysis and mitigation. Polcak's...
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News: Green Design & Manufacturing
The AutoTram® is as long as a streetcar and as maneuverable as a bus. It doesn’t need rails or overhead lines because it rolls on rubber tires and simply follows white lines on...
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Videos