Stories
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Briefs: Physical Sciences
Composite Bipolar Plate for Unitized Fuel Cell/Electrolyzer Systems
In a substantial improvement over present alkaline systems, an advanced hybrid bipolar plate for a unitized fuel cell/ electrolyzer has been developed. This design, which operates on pure feed streams (H2/O2 and water, respectively) consists of a porous metallic foil filled with a...
Articles: Manufacturing & Prototyping
Universal Proprietary Water Purifying/ Conditioning Multimedia
Jim Jablonsky J&M Associates Hatfield, PAThis inexpensive and easily operated filter system removes heavy metals, arsenic, mercury, bad...
Briefs: Physical Sciences
Quantum-Well Thermophotovoltaic Cells
Thermophotovoltaic cells containing multiple quantum wells have been invented as improved means of conversion of thermal to electrical energy. The semiconductor bandgaps of the quantum wells can be tailored to be narrower than those of prior thermophotovoltaic cells, thereby enabling the cells to convert energy...
Briefs: Information Technology
Bounded-angle iterative decoding is a modified version of conventional iterative decoding, conceived as a means of reducing undetected- error rates for short low-density parity-check (LDPC) codes....
Articles: Robotics, Automation & Control
Slip clutches are commonly used to protect against overloads, but they can solve many other problems as well. Their applications include increasing machine speeds, applying constant tension to webs or...
Briefs: Information Technology
A procedure and software to implement the procedure have been devised to enable conversion from a tree representation to a graph representation of the requirements governing the...
Application Briefs: Robotics, Automation & Control
Off-highway tractors slog through mud, muck, and other rough terrain on a daily basis. Achieving high reliability and performance in spite of these...
Briefs: Mechanical & Fluid Systems
Parallel Hybrid Vehicle Optimal Storage System
A paper reports the results of a Hybrid Diesel Vehicle Project focused on a parallel hybrid configuration suitable for diesel-powered, medium-sized, commercial vehicles commonly used for parcel delivery and shuttle buses, as the missions of these types of vehicles require frequent stops. During these...
Application Briefs: Motion Control
There’s a science to testing metal structures for rigidity and performance under stress. The development of new testing methodologies is continuing at a fast pace, aided by...
Briefs: Medical
Anaerobic Digestion in a Flooded Densified Leachbed
A document discusses the adaptation of a patented biomass-digesting process, denoted sequential batch anaerobic composting (SEBAC), to recycling of wastes aboard a spacecraft. In SEBAC, high-solids-content biomass wastes are converted into methane, carbon dioxide, and compost.
Application Briefs: Sensors/Data Acquisition
Heidenhain Encoders Help TRW Machine Ford SUV Parts
TRW has been making parts for the automotive industry for many years, but when Ford Automotive considered giving them the contract to manufacture the rear toe-links for their Navigator and Expedition SUVs, their traditional lathes were considered inadequate for the task. The solution was to...
Products: Robotics, Automation & Control
The TONiC optical encoder from Renishaw, Hoffman Estates, IL, provides the accuracy of fine-pitch encoders in a rugged, simple-to-install package. It employs a compact read head (35mm long × 13.5mm wide × 10mm high for...
Articles: Robotics, Automation & Control
Winner of an HP Workstation
Small-Area Thin-Film Heat Flux Sensor
Mahmoud AssaadThe Goodyear Tire & Rubber Co. Akron, OH
This sensor is being used in tires of all types and sizes, and has also...
Products: Robotics, Automation & Control
Pillow blocks from Quality Bearings & Components, Garden City Park, NY, feature both locking collar and set screw types. Designated the BBXBLK-HCP and BBXBLK-UCP Series, the blocks have cast iron housings and are designed to...
Articles: Medical
Kristina Irsch Wilmer Ophthalmological Institute, Johns Hopkins University School of Medicine Baltimore, MDAmblyopia, commonly known as “lazy eye,” is the leading cause of vision loss in childhood, caused by...
Products: Robotics, Automation & Control
The DFS 60 incremental encoders from Sick|Stegmann, Dayton, OH, are available in fully programmable versions to accommodate any value from 1 to 65,536 pulses per revolution. With the help of a simple programming tool, users,...
Products: Robotics, Automation & Control
Based on the Piezo Walk principle, the N-380/N-381 NEXACT® ceramic linear motor actuator from Physik Instrumente replaces classical lead screw actuators. It combines high forces and long travel ranges with sub-nanometer...
Articles: Electronics & Computers
Electronic Fog, Frost, and Ice Prevention Technology
Don Skomsky Integrity Engineering, Inc. West Chester, PA
This electronic device prevents condensation, frost, and ice from forming on any surface. It...
Products: Robotics, Automation & Control
Designed for high torque, tight space applications, the FlexTorq™ 762 series hollow shaft offset DC gearmotors from Bison Gear & Engineering Corp., St. Charles, IL, feature either a 1.25in. (31.75mm) I.D. hollow shaft, or a...
Articles: Green Design & Manufacturing
Lindsay Meek Perth, Australia
This design improves the energy efficiency of a residential air conditioner by replacing the traditional reciprocating compressor (bore and stroke) with a higher efficiency...
Products: Robotics, Automation & Control
The Cushion-Start Kinechek® speed regulator from Deschner Corp., Santa Ana, CA, combines the shock absorbing feature of the company’s Cushioneer® shock absorber with the Kinechek® speed regulator. The impact-absorbing...
Articles: Transportation
Movito Electric Scooter
Tai Chiem Melbourne, Australia
Movito is a scooter based on an electric inwheel motor, a hubless front wheel, and a modular base system. It is designed for traveling short distances in and...
Products: Robotics, Automation & Control
The EGC electric actuator from Festo Corp., Hauppauge, NY, is designed for high dynamic speeds and high rigidity. It can be used as an individual component adapted to third-party motors, or as a complete system. The actuator...
Application Briefs: Communications
Communications systems and support equipment L-3 Communications Corp. Communications Systems West Salt Lake City, UT 801-594-2000 www.l-3com.com/csw/
NASA’s Dryden Flight Research...
Products: Robotics, Automation & Control
The TA333 high-power linear drive from Trust Automation, San Luis Obispo, CA, combines a Class-AB linear amplifier with pure analog throughput at currents up to 25A. Highly configurable, the drive can be used with a brushless motor...
Application Briefs: Electronics & Computers
PT-1880 handheld electronic labeler Brother International Bridgewater, NJ 908-704-1700 www.brother-usa.com
In October 2007, the crew of NASA’s International...
NASA Tech Needs
NASA’s work in advanced aeronautics and space vehicle development relies on advanced Computational Fluid Dynamics (CFD) codes such as FUN3D that rely on numerical solution of equations...
Products: Sensors/Data Acquisition
Kavlico, a unit of Custom Sensors & Technologies, Moorpark, CA, has introduced the P356 low-pressure gage/differential pressure sensor for applications requiring an operational life in excess of 10 years. Available in...
Eye on Innovation: Manufacturing & Prototyping
Product simplification is the discipline of merging the greatest performance functionality into the fewest number of parts using the most suitable and cost-effective materials and...
Top Stories
Blog: Sensors/Data Acquisition
Going for Gold in Winter Olympic Curling
Blog: Energy
Batteries that Can Withstand the Cold
Blog: Lighting
A Stretchable OLED that Can Maintain Most of Its Luminescence
INSIDER: Design
Advancing All-Solid-State Batteries
Blog: Data Acquisition
Blog: Materials
Webcasts
On-Demand Webinars: Defense
Cooling a New Generation of Aerospace and Defense Embedded Computing...
Upcoming Webinars: Software
Beyond AI-Copy-Paste Engineering: Advanced AI-Integration Success...
Upcoming Webinars: Automotive
Battery Abuse Testing: Pushing to Failure
Upcoming Webinars: Power
A FREE Two-Day Event Dedicated to Connected Mobility
Upcoming Webinars: RF & Microwave Electronics
Choosing the Right N-Port Strategy: Multiport VNAs vs. Switch...

