Stories
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Articles: Nanotechnology
The 2008 NASA Tech Briefs National Nano Engineering Conference (NNEC), be held November 12-13 at the Boston Colonnade Hotel, is for design engineers who want to know what’s real, what’s close to...
Briefs: Mechanical & Fluid Systems
Polar Traverse Rover Instrument
A Polar Traverse Rover (PTR) is a device designed to determine the role of Antarctica in the global climate system by determining typical paths of continental air that passes the South Pole, and by obtaining insight into the relationship between events at the Antarctic and the meteorology of sub- polar altitudes. The...
Application Briefs: Energy
Lithium-ion batteries Yardney Technical Products Pawcatuck, CT 860-599-1100 www.yardney.com
NASA’s Phoenix Mars Lander landed safely near the planet’s north polar...
Briefs: Electronics & Computers
Virtualizing physical measurements using wireless sensor technology enables a host of new solution choices. Wireless sensors are smart devices that realize measurements without...
Application Briefs: Motion Control
QuickSilver Servo Motors Drive Autonomous Vehicles
The design of remotely operated, autonomous battery-powered vehicles places special requirements on motion control systems. High torque at low speeds is needed to climb over obstacles, while higher speed operation is needed for cruise speed. Efficient operation from lower voltages (12V to 48V)...
Briefs: Test & Measurement
The shapes of waveforms generated by commercially available analytical separation devices, such as some types of mass spectrometers and differential mobility spectrometers are, in general, inadequate...
Briefs: Imaging
A hand-held instrument that would include an ultrasonic camera has been proposed as an efficient means of reading matrix symbols. The proposed instrument could be operated without...
Briefs: Electronics & Computers
A proposed torque sensor would be capable of operating over the temperature range from 1 to 400 K, whereas a typical commercially available torque sensor is limited to the narrower temperature...
Briefs: Energy
Figure 1 depicts a monolithic microwave integrated-circuit (MMIC) single-stage amplifier containing an InP-based high- electron-mobility transistor (HEMT) plus coplanar-waveguide (CPW)...
Briefs: Semiconductors & ICs
An effort to extend the low-temperature operational limit of supercapacitors is currently underway. At present, commercially available non-aqueous supercapacitors are rated for a minimum operating temperature of...
Application Briefs: Electronics & Computers
Non-invasive and ambulatory monitoring of body parameters is receiving much interest from the medical, sports and entertainment world. Possible applications are the...
Briefs: Materials
Composite Cathodes for Dual-Rate Li-Ion Batteries
Composite-material cathodes that enable Li-ion electrochemical cells and batteries to function at both high energy densities and high discharge rates are undergoing development. Until now, using commercially available cathode materials, it has been possible to construct cells that have either...
Briefs: Electronics & Computers
A charge-control unit was developed as part of a program to validate Li-ion cells packaged together in batteries for aerospace use. The lithium-ion cell charge- control unit will be useful to...
Briefs: Electronics & Computers
Radio-frequency identification (RFID) would be used for commercial product activation, according to a proposal. The concept of RFID is not new: RFID systems are widely used in commerce for tracking such...
Briefs: Electronics & Computers
An improved self-validating thermocouple (SVT) instrumentation system not only acquires readings from a thermocouple but is also capable of detecting deterioration and a variety of discrete faults...
Briefs: Materials
A nickel-based superalloy that resists embrittlement by hydrogen more strongly than does nickel alloy 718 has been developed. Nickel alloy 718 is the most widely used superalloy. It has...
Briefs: Mechanical & Fluid Systems
A method denoted wireless acoustic- electric feedthrough (WAEF) has been conceived for transmitting power and/or data signals through walls or other solid objects made of a variety of...
Briefs: Electronics & Computers
All-solid-state electrochemical power cells have been fabricated and tested in a continuing effort to develop batteries for instruments for use in environments as hot as 500 °C. Batteries of this...
Briefs: Medical
Telemetry systems of a type that have been proposed for the monitoring of physiological functions in humans would include the following subsystems:
Surgically implanted or...
Briefs: Electronics & Computers
A submillimeter-wave monolithic integrated- circuit (S-MMIC) amplifier has been designed and fabricated using an indium phosphide (InP) 35-nm gate-length high electron mobility transistor (HEMT)...
Briefs: Physical Sciences
An innovative method has been developed for acquiring fluid-level measurements. This method eliminates the need for the fluid-level sensor to have a physical connection...
Briefs: Medical
Further improvements have recently been made in the development of the devices described in “Improved Ion-Channel Biosensors” (NPO-30710), NASA Tech Briefs, Vol. 28, No. 10 (October...
Briefs: Materials
Optimized Carbonate and Ester-Based Li-Ion Electrolytes
To maintain high conductivity in low temperatures, electrolyte co-solvents have been designed to have a high dielectric constant, low viscosity, adequate coordination behavior, and appropriate liquid ranges and salt solubilities. Electrolytes that contain ester-based co-solvents in large...
Articles: Green Design & Manufacturing
LEDTRICITY™
Ted BristowCreative ElectricKailua Kona, HI
LEDTRICITY™ uses a combination of various electrical principles, unique wiring circuits, and...
Briefs: Materials
LiCoPO4 has been found to be a promising active cathode material for high-energy-density, thin-film, rechargeable electrochemical power cells. The potential of the charge/discharge plateau of a...
Briefs: Electronics & Computers
Integrated microbatteries have been proposed to satisfy an anticipated need for long-life, low-rate primary batteries, having volumes less than 1 mm3, to power electronic circuitry in...
Briefs: Electronics & Computers
An electrolyte additive has shown promise as a means of increasing the sustainable rates of discharge and, hence, the discharge capacities, of lithium- poly (carbon monofluoride) electrochemical...
Articles: Electronics & Computers
In the electronics industry today there are two commonly used high-speed memory types: static RAM (SRAM) and dynamic RAM (DRAM). Traditionally, SRAM embedded memory has been the designer's choice for fast memory, but since a typical SRAM...
Articles: Research Lab
In 2007, we focused on the global climate, and as gas prices soared, more novel technologies emerged in the development of alternative fuel and power sources. Once again, electronics and computers became smaller,...
Top Stories
Blog: Software
Going for Gold in Winter Olympic Curling
Blog: Energy
Beyond Lithium: The Rise of Calcium-Ion Energy Storage
Blog: Electronics & Computers
The Kitchen Tech Hack Aiming to Revolutionize 3D Printing
Blog: Materials
A Shield for the Next Generation: Lithium Batteries Get a Major Upgrade
Blog: Energy
Batteries that Can Withstand the Cold
Q&A: Physical Sciences
Webcasts
Webinars: Mechanical & Fluid Systems
The Over-Engineering Trap: Aligning Custom Equipment Specs with Operational...
Webinars: RF & Microwave Electronics
Where Time and Frequency Converge: Multi-Channel RF Analysis for Radar and...
Webinars: Unmanned Systems
Driving Reliability: Simulation Driven EMI Techniques for Modern Vehicle...
Editorial Webinars: Aerospace
Smarter Aerospace Manufacturing & Design with Digital Twins and Agentic AI
Summits: AR/AI
2026 Battery & Electrification Summit (Online)
Podcasts: Electronics & Computers
Arm’s Agentic AI CPU: Engineering the Next Generation of AI Data Centers
