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NASA Supercomputer Simulations Reveal 'Noisy' Aerodynamics
Robotic Gripper Cleans Up Space Debris
Soft Robot “Walks” on Any Terrain
Defense Advanced Research Projects Agency
Using Microwaves to Produce High-Quality Graphene
Transducer-Actuator Systems for On-Machine Measurements and Automatic Part Alignment
Wide-Area Surveillance Using HD LWIR Uncooled Sensors
Heavy Lift Wing in Ground (WIG) Cargo Flying Boat
Technique Provides Security for Multi-Robot Systems
Bringing New Vision to Laser Material Processing Systems
NASA Tests Lasers’ Ability to Transmit Data from Space

Antimicrobial Coating

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"Immune Buildings"

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Electricity from Compressed Air

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Analyzing Bone Fracture Risks

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Swimsuit or Spacesuit?

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Brain Mapping

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Laser Microscalpel

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NHK World Radio Japan - Vietnamese News

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Torque Sensor Based on Tunnel-Diode Oscillator

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 range of 244 to 338 K. The design of this sensor would exploit the wide temperature range and other desirable attributes of differential transducers based on tunnel-diode oscillators as described in “Multiplexing Transducers Based on Tunnel- Diode Oscillators” (NPO-43079), NASA Tech Briefs, Vol. 30, No. 9 (September 2006), page 42.

Posted in: Briefs, TSP, Electronics & Computers, Capacitors, Sensors and actuators, Capacitors, Sensors and actuators, Product development, Heat resistant materials
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Shaft-Angle Sensor Based on Tunnel-Diode Oscillator

A proposed brushless shaft-angle sensor for use in extreme cold would offer significant advantages over prior such sensors:

It would be capable of operating in extreme cold; and Its electronic circuitry would be simpler than that of a permanent- magnet/multiple-
Hall-probe shaft-angle sensor that would otherwise ordinarily be used to obtain comparable angular resolution.
Posted in: Briefs, TSP, Electronics & Computers, Sensors and actuators, Sensors and actuators, Cold weather, Product development, Parts
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