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Briefs: Photonics/Optics
Extremely fine porous structures with tiny holes — resembling a kind of sponge at the nano level — can be generated in semiconductors. A method was developed for the controlled manufacture of...
Briefs: Data Acquisition
The Department of Energy's Oak Ridge National Laboratory has developed a direct-current detector technology to help emergency responders safely detect high voltages, which they have...
Briefs: Sensors/Data Acquisition
Magnetic sensors play a key role in a variety of applications, such as speed and position sensing in the automotive industry and in biomedical applications. The...
Briefs: Software
For wireless networks that share time-sensitive information on the fly, it's not enough to transmit data quickly: that data also needs to be fresh. Consider the many sensors in your car. While it may...
Briefs: Sensors/Data Acquisition
When it comes to the “smell test,” the nose isn't always the best judge of food quality. Now in a study appearing in ACS’ journal Nano Letters, scientists...
Briefs: Sensors/Data Acquisition
Infrared spectroscopy is the benchmark method for detecting and analyzing organic compounds. However, that requires complicated procedures and large, expensive instruments, making...
Briefs: Software
What had been a peaceful and productive mission for the six men aboard the Russian space station Mir, including U.S. astronaut Jerry Linenger, nearly became a tragic...
Briefs: Sensors/Data Acquisition
Stanford and Seoul National University researchers have developed an artificial sensory nerve system that can activate the twitch reflex in a...
Briefs: Electronics & Computers
Researchers at the UCLA Samueli School of Engineering have demonstrated that deep learning, a powerful form of artificial intelligence, can discern and enhance...
Briefs: Electronics & Computers
Researchers have developed an inkjet printing technique that can be used to print optical components such as waveguides. Because the printing approach can also fabricate...
Briefs: Sensors/Data Acquisition
NASA Ames Research Center has developed an innovative built-in temperature sensing method for micro-heaters. The temperature sensing of chip-based microheaters is conventionally done with the...
Briefs: Data Acquisition
Information Sharing Protocol VCR (ISPVCR)
The Information Sharing Protocol (ISP) VCR (ISPVCR) is a software program written in Tcl/Tk that provides the capability to record and play back ISP data (telemetry, computations, ground system status, etc.) via Source Independent Telemetry Format (SITF) files. The ISPVCR provides a graphical user interface...
Briefs: RF & Microwave Electronics
Hyperfine Interpolated Range Finding for CW Lidar, Radar, and Sonar Using Repeating Waveforms and Fourier Transform Reordering
NASA's Langley Research Center has developed a novel fine interpolation technique that is useful in signal processing for applications in lidar, sonar, radar, and similar modalities. The interpolation technique uses...
Briefs: Electronics & Computers
Location Awareness Algorithm for Internet of Things Devices
Positioning of wireless devices is centralized, depending on “anchors” with known locations such as cell towers or GPS satellites to communicate directly with each device. As the number of devices increases, anchors must be installed at higher density. Centralized positioning can...
Briefs: Manufacturing & Prototyping
Liquid metal printing is integral to the flexible electronics field. Additive manufacturing enables fast fabrication of intricate designs and circuitry. The field features a...
Briefs: Sensors/Data Acquisition
Ultra-Thin Capacitive Sensor Has the Least Possible Resistance to Motion
A thin and flexible sensor was developed for sensing sounds, since it can move with the airflow made by even the softest noises. With the least possible resistance to motion, the sensor addresses issues with accelerometers, microphones, and many other similar sensors. The goal...
Briefs: Robotics, Automation & Control
Today's crop breeders are trying to boost yields while preparing plants to withstand severe weather and changing climates. To succeed, they must locate the genes for high-yielding, hardy traits in crop plants’...
Briefs: Mechanical & Fluid Systems
Hydraulic-Based Spherical Robot
Current spherical robots rely upon rotating mechanical weights inside the sphere to change the center of gravity of the sphere, causing the robot to roll. The use of rotating mechanical weights is not optimal due to the reliance upon moving parts, which can present burdensome maintenance issues. It would be...
Briefs: Sensors/Data Acquisition
There are applications that require multiple electric machine drives, such as electric or hybrid electric vehicles, where there is a main traction motor and one or more accessory...
Briefs: Photonics/Optics
Researchers at NASA's Marshall Space Flight Center have devised a method for the creation of crystal-free non-oxide optical fiber preforms. Non-oxide fiber optics are extensively used in...
Briefs: Electronics & Computers
Power Outlet Analyzes Electrical Current Usage
Electrical interruptions, or “nuisance trips,” occur when a detector installed behind the wall trips an outlet's electrical circuit when it senses something that could be an arc-fault — a potentially dangerous spark in the electric line. The problem with today's arc-fault detectors is that they...
Briefs: Electronics & Computers
Microcontroller Altimeter (uCA)
Traditional altitude switch designs for harsh environments are mechanical in nature and operate by means of an inflatable bladder or bellows that mechanically depresses a pushbutton switch. The altitude trip point is set by mechanically adjusting the distance of the switch to the bellows. The mechanical action of the...
Briefs: Medical
Currently, concussion is measured by the symptoms someone experiences, but it is difficult to know what is happening in the brain in any one person. To address this problem, a portable brain imaging system was...
Briefs: Energy
The most common methods for glucose self-testing involve monitoring glucose levels in blood. These conventional measurements are not suitable for preventing hypoglycemia during exercise. The underlying...
Briefs: Medical
An effective, non-invasive way of monitoring blood glucose could help both diabetics and those at risk of developing diabetes make the right choices to either manage the disease well, or reduce their risk...
Briefs: Materials
An increase in computing performance has been achieved by squeezing ever more transistors into a tighter space on microchips. This downsizing has also meant packing the wiring within...
Briefs: Electronics & Computers
Adhesives used for common pain-relieving bandages often do not stick properly when attached to places that encounter large, inhomogenous bending motion, like elbows and knees. To solve...
Briefs: Data Acquisition
Spintronic devices promise to solve major problems in today's computers, which use massive amounts of electricity to generate heat. This requires expending even more energy for cooling. By contrast, spintronic...
Briefs: Medical
A small voltaic cell was developed that is sustained by the acidic fluids in the stomach. The system can generate enough power to run small sensors or drug delivery devices that can reside in the...
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