Stories
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Briefs: Materials
Pipes made of graphite-fiber/epoxymatrix composites have been shown to be suitable as conduits for liquid hydrogen. Conceived for as replacements for heavier metallic liquid-hydrogen feedlines in...
Briefs: Nanotechnology
Since its invention in 1948, the transistor has revolutionized everyday life. The electronics revolution is based on miniaturization of transistors; smaller transistors are faster, and...
Briefs: Physical Sciences
Metal/Dielectric Color Filters for Flat Panel Displays
A report expands on the proposal described in “Low-Absorption Color Filters for Flat Panel Display Devices” (NPO-20435) NASA Tech Briefs, Vol. 23, No. 12 (December 1999), page 34. To recapitulate: The dye pixel color filters in a conventional liquid-crystal or other display device would be...
Briefs: Materials
Skutterudite Thermoelectric Unicouples for Generating Power
A report presents some results of continuing efforts to develop advanced thermoelectric devices and, more particularly, thermoelectric unicouples for generating electric power from diverse thermal sources, including automotive exhausts and other waste-heat sources. The basic principles of...
Briefs: Materials
Centralized Electronic Reporting of Material-Science Tasks
The Materials Science Division (MSD) at Kennedy Space Center is developing a computer system to maintain a material-science data base coupled with a user-friendly interface on the World Wide Web. The system is designed to eliminate the need for time-consuming and expensive distribution of,...
Briefs: Materials
A portable, self-contained, compact instrument measures and records transient electric fields generated by nearby lightning strikes. This instrument complements, and in many respects is...
Briefs: Materials
The figure illustrates one of several related pin-puller mechanisms that harness the recovery characteristics of a shape-memory alloy (SMA). Like some other SMA-actuated mechanisms...
Briefs: Automotive
Experiments have shown that nonreactive ion-beam sputtering can be used to deposit a transparent film of aluminum oxide on a polycarbonate, silicon, or fused-silica substrate....
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Webcasts
On-Demand Webinars: Power
E/E Architecture Redefined: Building Smarter, Safer, and Scalable Vehicles
Upcoming Webinars: Energy
Hydrogen Engines Are Heating Up for Heavy Duty
Upcoming Webinars: Electronics & Computers
Advantages of Smart Power Distribution Unit Design for Automotive...
Upcoming Webinars: Automotive
Quiet, Please: NVH Improvement Opportunities in the Early Design...
Upcoming Webinars: Power
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Podcasts: Defense
How Sift's Unified Observability Platform Accelerates Drone Innovation
