Tech Briefs

Sensors & Test

Access our comprehensive library of technical briefs on sensors and test, from engineering experts at NASA and government, university, and commercial laboratories.

Briefs: Electronics & Computers

Powerful Micro-PLCs Enhance Equipment and Testing Systems

For many types of machinery and test equipment, there is a great need to perform basic automatic control functions, or even just sensor monitoring. Developing hardwired automation is...

Briefs: Electronics & Computers

Three-Dimensional Electronic Flying Microchip

Engineers have added a new capability to electronic microchips: flight. About the size of a grain of sand, the new flying microchip (microflier) does not have a motor or engine. Instead, it catches...

Briefs: Imaging

Shaping Light Enables 2D Microscopes to Capture 4D Data

Super temporal resolution microscopy allows imaging of fluorescent molecules 20 times faster than traditional lab cameras normally allow. A general method has been developed to let a...

Briefs: Photonics/Optics

Optical De-Multiplexing Method for QKD Encryption

Classical laser communication gimbals are coupled to 105um multimodal receiving fibers for the high-power transmission of data, fine pointing, and tracking. These fibers cannot be used in free...

Briefs: Sensors/Data Acquisition

Materials for Next-Generation LED-Based Data Communications

Light-emitting diode (LED)-based communications techniques allow computing devices, including cellphones, to communicate with one another using infrared light. However, LED techniques...

Briefs: Robotics, Automation & Control

Robot Senses Hidden Objects

Researchers have developed a robot that uses radio waves, which can pass through walls, to sense occluded objects. The robot, called RF-Grasp, combines this powerful sensing with more traditional computer vision to...

Briefs: Sensors/Data Acquisition

Filter Enhances Robot Vision on 6D Pose Estimation

Robots are good at making identical repetitive movements such as a simple task on an assembly line. But they lack the ability to perceive objects as they move through an environment. A recent...

Briefs: Sensors/Data Acquisition

A Smartwatch-Based System Detects Heat Strain

A new device from Lincoln Laboratory can now alert trainees when they are heading toward injury. The device continuously estimates a person’s core body temperature to determine their risk level...

Briefs: Sensors/Data Acquisition

Polymer Mixture Creates Ultra-Sensitive Heat Sensor

An ultra-sensitive heat sensor was developed that is based on the fact that certain materials are thermoelectric. The electrons in a thermoelectric material move from the cold side to the warm...

Briefs: Sensors/Data Acquisition

Material for the Next Generation of Smart Sensors

Scientists have developed color-changing, flexible photonic crystals that could be used to develop sensors that warn when an earthquake might strike next. The wearable, robust, and low-cost...

Briefs: AR/AI

Bimodal “Electronic Skin”

Through the use of magnetic fields, scientists have developed an electronic sensor that can simultaneously process both touchless and tactile stimuli. Prior attempts have so far failed to combine these functions on...

Briefs: Wearables

Detecting Health Markers in Thread-Based, Wearable Sweat Sensors

Engineers have created a flexible electronic sensing patch that can be sewn into clothing to analyze sweat for multiple markers. The patch could be used to diagnose and monitor...

Briefs: Wearables

Liquid Metal Wearable Pressure Sensor

Soft pressure sensors have received significant research attention in a variety of fields including soft robotics, electronic skin, and wearable electronics. Researchers have developed a highly sensitive...

Briefs: Medical

Portable Device Detects Foodborne Illness

Foodborne illness hits about one in six people in the United States every year from more than 31 recognized pathogens including E. coli O157:H7, a particularly harsh strain of E. coli. Researchers...

Briefs: Sensors/Data Acquisition

Handheld Measuring Device Distinguishes Between Methanol and Potable Alcohol

Methanol is sometimes referred to as ethanol's deadly twin. While the latter is the intoxicating ingredient in wine, beer, and liquor, the former is a chemical that...

Briefs: Test & Measurement

Method Measures Temperature Within 3D Objects

Engineers have remotely determined the temperature beneath the surface of certain materials using a new technique called depth thermography. The method may be useful in applications where...

Briefs: Photonics/Optics

Rapid Agent Aerosol Detector for Biological Agents

Any space, enclosed or open, can be vulnerable to the dispersal of harmful airborne biological agents. Silent and near-invisible, these bioagents can sicken or kill living things before steps...

Briefs: Wearables

Electronic Skin Powered by Sweat Serves as Human-Machine Interface

Researchers have developed electronic skin (e-skin) that is applied directly on top of real skin. Made from soft, flexible rubber, it can be embedded with sensors that monitor...

Briefs: Electronics & Computers

Graphene Made with Lasers for Wearable Health Devices

Graphene — hexagonally arranged carbon atoms in a single layer with superior pliability and high conductivity — could impact the development of future motion detection, tactile sensing,...