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Briefs: Imaging
Today's glass-based lenses are bulky and resist miniaturization. To address the problem, two different imaging methods — a type of lens designed for nanoscale interaction with lightwaves, and robust...
Briefs: Photonics/Optics
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: 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: Manufacturing & Prototyping
Marine-grade stainless steel is valued for its performance under corrosive environments, and for its high ductility — the ability to bend without breaking under stress. But conventional techniques...
Briefs: Photonics/Optics
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: Electronics & Computers
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: Materials
Water-Repellent Nanotextures Possess Anti-Fogging Capability
Some insect bodies have evolved the ability to repel water and oil, adhere to different surfaces, and eliminate light reflections. Scientists have been studying the physical mechanisms underlying these properties found in nature and mimicking them to design materials for use in everyday...
Briefs: Photonics/Optics
NASA Marshall Space Flight Center has developed a numerically controlled grinding tool that eliminates undesirable periodic variations in surface contours in optical and other surfaces — such as mid-spatial...
Briefs: Materials
Polymer matrix composites are extremely attractive to researchers working on next-generation applications due to their lightweight properties and ability to withstand extreme conditions in...
Briefs: Manufacturing & Prototyping
Stereolithography — a method of 3D printing — uses an ultraviolet laser controlled by a computer-aided design system to trace patterns across the surface of a photoactive polymer solution. The light...
Briefs: Manufacturing & Prototyping
While additive manufacturing (AM), commonly known as 3D printing, is enabling engineers and scientists to build parts in configurations and designs never before possible, the impact of the technology has been limited by...
Briefs: Medical
Over the past decade, researchers have been working to create nanoscale materials and devices using DNA as construction materials through a process called DNA origami. A single long “sca...
Briefs: Imaging
Researchers at the University of Texas at Dallas have solved a longstanding problem that has been plaguing the scanning tunneling microscope for more than 35 years: How to prevent...
Briefs: Medical
Neurons in the brain communicate via rapid electrical impulses that allow the brain to coordinate behavior, sensation, thoughts, and emotion. Scientists who want to study this electrical activity usually...
Briefs: Photonics/Optics
Rice engineers have developed a wide-field microscope thinner than a credit card, small enough to sit on a fingertip and capable of micrometer resolution over a volume of several cubic millimeters.
Briefs: Transportation
A driverless car is making its way through a winding neighborhood street, about to make a sharp turn onto a road where a child’s ball has just rolled. Although no person in the car can see that ball, the car...
Briefs: Materials
Particle analysis is useful for determining chemical compositions in a wide range of disciplines, from ascertaining the source of a petroleum sample to duplicating a fragrance. The technique is appealing to...
Briefs: Photonics/Optics
Positional sensors have applications where a very accurate measurement of position is needed over a limited range. One example of such an application is in manipulation of a stage...
Briefs: Materials
Laser-induced graphene (LIG) has been used to write graphene patterns onto food and other materials to quickly embed conductive identification tags and sensors into the products...
Briefs: Test & Measurement
A team at the New York University Tandon School of Engineering has made a discovery that could lead to Star Trek-like biosensor devices capable of flagging the...
Briefs: Photonics/Optics
Commercial buildings in the United States account for nearly 40% of the total energy consumption. Among them, electricity is the largest energy source for buildings....
Briefs: Electronics & Computers
For several decades, improvements in conventional transistor materials have been sufficient to sustain Moore’s Law — the historical pattern of microchip manufacturers...
Briefs: Communications
Demands for improved computer processing power have led researchers to explore both new processes and other materials beyond silicon to produce electronic components....
Briefs: Electronics & Computers
Moving from electrical communication to optical communication is attractive to chip manufacturers because it could significantly increase chips’ speed and reduce power consumption, an...
Briefs: Aerospace
Large-scale liquid rocket engines with regeneratively cooled nozzles will enable reliable and reduced-cost access to space. The coolant that circulates through the internal...
Briefs: Imaging
When testing composite structures, it is important to understand the response of the structure to the load. Of significance is the formation of damage and growth of that damage leading to...
Briefs: Test & Measurement
Laser Technique Detects Toxic Agents in the Atmosphere
A real-time instrument was developed that could scan the atmosphere for toxic agents in order to alert communities to a biological or chemical attack.
Briefs: Photonics/Optics
Correlation spectroscopy is an attractive technique for sensing and analysis applications because it combines the attributes of mechanical and optical simplicity, high selectivity, and good sensitivity. In correlation...
Briefs: Photonics/Optics
Thinning a material down to a single-atom thickness can dramatically change that material’s physical properties. Graphene, the best known two-dimensional (2D) material, has...
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Beyond AI-Copy-Paste Engineering: Advanced AI-Integration Success...
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Battery Abuse Testing: Pushing to Failure
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A FREE Two-Day Event Dedicated to Connected Mobility
Upcoming Webinars: Test & Measurement
Choosing the Right N-Port Strategy: Multiport VNAs vs. Switch...
