Stories
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Briefs: Information Technology
A method of accelerating and facilitating production of video and film motion- picture products, and software and generic designs of computer hardware to implement the method, are...
Briefs: Electronics & Computers
Hollow-core, periodic bandgap (HCPBG) flexible waveguides have been proposed as a means of low-loss transmission of electromagnetic signals in the frequency range from about 300 GHz to 30 THz. This...
Briefs: Physical Sciences
Hamler Test and Analysis (HTA) provides testing, design, and finite-element analysis (FEA) consulting services, specializing in vibration measurement and experimental vibration...
Articles: Electronics & Computers
The PMC, or PCI Mezzanine Card, follows the IEEE P1386.1 standard for printed circuit boards. PMCs combine the electrical characteristics of the PCI bus with the mechanical dimensions of the Common Mezzanine Card,...
Briefs: Electronics & Computers
The figure shows a prototype radial power-combining waveguide structure, capable of operation at frequencies from 31 to 36 GHz, that features an unusually large number (N = 24) of combining...
Application Briefs: Electronics & Computers
The colonel has a problem. He has eight unmanned aerial vehicles (UAVs) flying over the outskirts of Baghdad, looking for potential insurgent activity. Are those people he sees moving through...
Briefs: Photonics/Optics
A theoretical analysis of photon-arrival jitter in an optical pulse-position-modulation (PPM) communication channel has been performed, and now constitutes the basis of a methodology for...
Articles: Electronics & Computers
The task-specific nature of an embedded system application typically defines a narrow scope of performance requirements. But the range of options for achieving those requirements are broad —...
Briefs: Electronics & Computers
Coupling of light into and out of whispering- gallery-mode (WGM) optical resonators can be enhanced by designing and fabricating the resonators to have certain non- axisymmetric shapes...
Briefs: Physical Sciences
The uncertainty in the frequency of a linear- ion-trap frequency standard (LITS) can be reduced substantially by use of a very small magnetic inhomogeneity tailored to compensate for...
Who's Who: Physical Sciences
While working on designing an X-ray navigation system for NASA's next-generation Black Hole Imager, Dr. Keith Gendreau, a physicist at the Goddard Space Flight Center,...
Articles: Software
CAD software has come a long way in terms of ease of use, interoperability, speed, and capabilities. But there is still a long way to go. We spoke to executives at leading CAD software companies to find...
Articles: Electronics & Computers
The need for commercial off the shelf (COTS) single board computer (SBC) products continues to grow as higher processing, smaller footprints and lower power requirements become more critical. For...
Briefs: Electronics & Computers
A proposed microstrip Yagi antenna would operate at a frequency of 8.4 GHz (which is in the X band) and would feature a mechanically simpler, more elegant design, relative to a prior...
Briefs: Semiconductors & ICs
A total of 81 optimal logic circuits based on four-gate field-effect transistors (G4FETs) have been designed to implement all Boolean functions of up to three variables. The purpose of this development was...
Articles: Electronics & Computers
High-powered embedded computing equipment utilizing the Air Transport Rack (ATR) form factor is playing an ever-larger role in extreme, mission-critical applications in air, land, and sea environments....
Briefs: Photonics/Optics
Since their market introduction in 1995, fiber Bragg gratings (FBGs) [wherein “fiber” signifies optical fiber] have emerged as excellent means of measuring such parameters as strain and...
Articles: Software
Multiphysics, simulation lifecycle management, unified simulation, and other terms are becoming the new trends in analysis and simulation software. There are new capabilities, new options for...
Application Briefs: Electronics & Computers
A presidential election... the continuance or end of deploying troops in Iraq...Phoenix spacecraft landing on Mars...2008 could be an exciting year, so let's take a moment to look at a few...
Briefs: Physical Sciences
An improved readout scheme has been proposed for high-resolution thermometers, (HRTs) based on the use of superconducting quantum interference devices (SQUIDs) to measure temperature-...
Briefs: Information Technology
A method of computing channel capacities and error rates in multipulse pulse-position modulation (multipulse PPM) has been developed. The method makes it possible, when designing an optical...
Briefs: Photonics/Optics
Large Solar-Rejection Filter
An optical filter consisting of a multilayer spectral coating on a flexible membrane has been designed to be placed in front of the 200-in. (5.08-m) Hale telescope on Mt. Palomar. The filter is intended to protect the telescope against solar radiant flux and limit solar heating of the interior of the telescope dome...
INSIDER: Electronics & Computers
PCI Express is the peripheral bus now being adopted by next-generation PCs, servers, and industrial computers. It provides a scaleable, high-bandwidth, point-to-point pathway between peripheral cards...
Application Briefs: Motion Control
Tractair Ltd., based in Brough, UK, designs, manufactures and installs air and hydraulic brake systems for special applications. The company works closely with the design engineers of major...
Briefs: Electronics & Computers
The upper part of the figure depicts an aperture-coupled L-band antenna comprising patterned metal conductor films supported on two thin polyimide membranes separated by an air gap. In this antenna,...
Briefs: Software
Designing Rolling-Element Bearings
Bearing Analysis Tool (BAT) is a computer program for designing rolling-element bearings for cryogenic turbomachines. BAT provides a graphical user interface (GUI) that guides the entry of data to develop mathematical models of bearings. The GUI breaks model data into logical subsets that are entered through...
Briefs: Software
Solving Equations of Multibody Dynamics
Darts++ is a computer program for solving the equations of motion of a multibody system or of a multibody model of a dynamic system. It is intended especially for use in dynamical simulations performed in designing and analyzing, and developing software for the control of, complex mechanical systems. Darts++...
Briefs: Software
Simulating Operations at a Spaceport
SPACESIM is a computer program for detailed simulation of operations at a spaceport. SPACESIM is being developed to greatly improve existing spaceports and to aid in designing, building, and operating future spaceports, given that there is a worldwide trend in spaceport operations from very expensive,...
Top Stories
Podcasts: Information Technology
Arm’s Agentic AI CPU: Engineering the Next Generation of AI Data Centers
Quiz: Aerospace
National Astronaut Day 2026: Astronauts and Space Missions Quiz
Articles: Design
Redefining the Automotive Industry with Versatile Innovation
Blog: Manned Systems
Lincoln Laboratory Laser Communications Terminal Launches on Historic...
News: Energy
How Much Do You Know About Alternative Fuels?
Application Briefs: Connectivity
Webcasts
Webinars: Test & Measurement
Hidden Measurement Errors in AI Data Center Power Integrity
Webinars: Materials
Superior Environmental Protection with Ultra-Thin Parylene and Multilayer...
Summits: Energy
Battery Manufacturing & Simulation Summit 2026
Webinars: Power
Virtual Screening of Materials for Increased Battery Performance
Webinars: Automotive
Scaling SDV Development with Virtualization
Webinars: Electronics & Computers
Why Your Motor Behaves Badly: See BLDC Control Signals, Power, and EMI in One...
