Stories
119
1563
0
30
30
Products: Lighting
IDEAL Industries, Inc. (Sycamore, IL) has introduced the LED-LOK™ downlight holder that mates with all puck-style LED light engines and is designed for OEMS with features that enable luminaire design freedom. Plated...
Briefs: Materials
The development of more efficient thermoelectric couple technology capable of operating with high-grade heat sources up to 1,275 K is key to improving the...
Briefs: Mechanical & Fluid Systems
Locking Nut With Stress-Distributing Insert
An improved locking nut comprises (1) an internally threaded shell, partly resembling a conventional nut, that can be engaged by a wrench or other tool, and (2) an internally and externally threaded insert that engages the threads of the shell and a bolt. Whereas some prior locking nuts are plated over...
Briefs: Mechanical & Fluid Systems
There is a need for effective sample handling tools to deliver and sort particles for analytical instruments that are planned for use in future NASA missions....
Articles: Electronics & Computers
As the cooling challenges in embedded system applications have multiplied due to increased processing performance, smaller package and system footprints, and the requirement to operate in more...
Briefs: Manufacturing & Prototyping
Gratings Fabricated on Flat Surfaces and Reproduced on Non-Flat Substrates
A method has been developed for fabricating gratings on flat substrates, and then reproducing the groove pattern on a curved (concave or convex) substrate and a corresponding grating device. First, surface relief diffraction grating grooves are formed on flat substrates. For...
Briefs: Test & Measurement
Apparatus Measures Thermal Conductance Through a Thin Sample From Cryogenic to Room Temperature
An apparatus allows the measurement of the thermal conductance across a thin sample clamped between metal plates, including thermal boundary resistances. It allows in-situ variation of the clamping force from zero to 30 lb (133.4 N), and variation of the...
Briefs: Mechanical & Fluid Systems
Assemblies of tanks having shapes that conform to each other and/or conform to other proximate objects have been investigated for use in storing fuels and oxidizers in small available spaces in upper stages of...
Application Briefs: Robotics, Automation & Control
Classic Metal Finishing, based in Jackson, Mich., supplies components for the aerospace, motorcycle, racing, and medical industries. The plant was purchased in February, 2008 by Classic...
Articles: Electronics & Computers
General purpose flexible circuit boards are those with electronic components that can be bent to fit in tight spaces. Most are just one or two layers thick and are meant for "flex to install"...
Articles: Motion Control
Solving a machine vision application, whether it involves quality inspection, part verification or any number of additional tasks, requires taking several factors into...
Briefs: Materials
Polymer-based composite catholyte structures have been investigated in a continuing effort to increase the charge/ discharge capacities of solid-state lithium thin-film electrochemical...
Briefs: Materials
Chemical Passivation of Li⁺-Conducting Solid Electrolytes
Plates of a solid electrolyte that exhibits high conductivity for positive lithium ions can now be passivated to prevent them from reacting with metallic lithium. Such passivation could enable the construction and operation of high-performance, long-life lithium-based rechargeable...
Briefs: Manufacturing & Prototyping
A proposed method of design and fabrication of vacuum-packaged microelectromechanical systems (MEMS) and of individual microelectromechanical devices involves the use of multiple...
Briefs: Manufacturing & Prototyping
A method of detecting mechanical failure induced by variation in temperature at an adhesive bond between two materials that have different coefficients of thermal expansion (CTEs)...
Articles: Photonics/Optics
Historically, high-energy (Joule-class) nanosecond YAG lasers have been confined primarily to laboratory research facilities and government labs. System designs were unique for...
Briefs: Electronics & Computers
Research on microelectromechanical system (MEMS) resonators dates back to the mid-1960s, but MEMS timing references are only now being introduced commercially. In this time, two...
Briefs: Electronics & Computers
The protocol for charging a lithiumion battery would be modified, according to a proposal, to compensate for the internal voltage drop (charging current × internal resistance of the...
Briefs: Manufacturing & Prototyping
Two simple, effective techniques for attaching thermocouples to metal substrates have been devised for high- temperature applications in which attachment by such conventional means as welding,...
Briefs: Electronics & Computers
Hybrid Ion-Detector/Data-Acquisition System for a TOF-MS
A modified ion-detector/ data-acquisition system has been devised to increase the dynamic range of a time-of-flight mass spectrometer (TOF-MS) that, previously, included a microchannel-plate detector and a data-acquisition system based on counting pulses and time-tagging them by use of a...
Briefs: Medical
Chamber for Growing and Observing Fungi
Unlike prior fungus growing apparatuses, this chamber makes it possible to examine a fungus culture without disrupting it. Partly resembling a small picture frame, the chamber includes a metal plate having a rectangular through the thickness opening with recesses for a top and a bottom cover glass, an inlet...
Briefs: Materials
Mats of free-standing manganese oxide (MnxOy ) nanowires have been fabricated as experimental electrode materials for rechargeable electro-chemical power cells and capacitors....
Briefs: Materials
Lightweight, Rack-Mountable Composite Cold Plate/Shelves
Rack-mountable composite-material structural components that would serve as both shelves and cold plates for removing heat from electronic or other equipment mounted on the shelves have been proposed as lightweight alternatives to allmetal cold plate/shelves now in use. A proposed cold...
Briefs: Mechanical & Fluid Systems
The figure depicts a miniature cantilever- type anemometer that has been developed as a prototype of compact, relatively nonintrusive anemometers that can function at temperatures up to...
Briefs: Photonics/Optics
There has long been a desire to deposit conductive paths directly on molded plastic structures, combining the electrical and mechanical functions in one...
Briefs: Manufacturing & Prototyping
An improved method of selective plating of metals and possibly other materials involves the use of directed high-intensity acoustic beams. The beams, typically in the ultrasonic frequency...
Briefs: Manufacturing & Prototyping
Low-plasticity burnishing (LPB) has been devel- oped as an affordable means of imparting residual compressive stresses to surface layers of metal parts (especially engine components) in order to increase their fatigue...
Briefs: Information Technology
Compressed Symbology — Making Its Mark at NASA
Compressed symbology is a product-identification method that was pioneered by NASA for tracking space-shuttle parts and is now being used to mark everything from groceries to automobile parts. Based on a system of two-dimensional marks applied to parts, compressed symbology was developed at NASA's...
Briefs: Electronics & Computers
Dichroic plates for cutoff wavelengths down to about a millimeter and high angles of incidence can be fabricated by numerically controlled milling of rectangular arrays of waveguide...
Top Stories
Blog: Energy
A Proof‑of‑Concept Quantum Battery
Blog: AR/AI
Ultrasound Wristband Precisely Tracks Hand Movements in Real Time
Blog: Information Technology
Reciprocal Energy: A New Model for Grid-Friendly Data Centers
INSIDER: Photonics/Optics
Groundbreaking Study in Light Control Opens Door to New Technological...
INSIDER: Manned Systems
NASA's Space Computing Breakthrough Powers Future Missions
Quiz: Manned Systems
Webcasts
Webinars: Electronics & Computers
Why Your Motor Behaves Badly: See BLDC Control Signals, Power, and EMI in One...
Webinars: Test & Measurement
From Spec to Scale: High-Precision Grinding Strategies for...
Editorial Webinars: Aerospace
High-Speed Connectivity for Next Generation Aerospace & Defense...
Webinars: Automotive
Electronics Digital Twins: From Concept to Scalable Platform
Webinars: Software
Architecting the Future: Why Systems Engineering is the Backbone...
Webinars: Transportation
Engineering Fluid Conveyance Systems for Alternative Fuel...
